You are here:
- Home
- Science
- Math for Kids
- Word Problems
Word Problems/Questions
| Subject | Date Asked | Expert |
| Combinations for 5th grade | 2/6/2012 | Scott A Wilson |
| Q: A grocery clerk sets up a display of oranges in the form of a triangle using 10 oranges at the base ... A: If there is 1 at the top and 10 at the bottom, there are 2, 3, 4, 5, 6, 7, 8, and 9 at each row in ... | ||
| translate the problem | 2/1/2012 | Scott A Wilson |
| Q: four less than twice the sum of a number and eleven. A: Let the number be x. When it says, '4 less', that implies there is a -4 in the problem. When it ... | ||
| Math-Simple Interest | 1/31/2012 | Scott A Wilson |
| Q: Steve invests part of his money in an account that pays 6% interest per year and part of it in an ... A: If all 10,000 were put in the account at 6%, the interest would be $600. If some money were put in ... | ||
| maths-algebra | 1/29/2012 | Scott A Wilson |
| Q: Akim, Katie, Stevie, Udi and Davey had all been to their local pie eating competition and were ... A: It is known that the sum(1 to n) is n(n+1)/2. To show this works, try a few numbers: 1+2 = 3, ... | ||
| Math | 1/27/2012 | Abe Mantell |
| Q: I have 12 fewer nickels than dimes, I have $2.40 A: You did not ask me a question! I gather you want to know how many of each coin you have, yes? If ... | ||
| Business math word problem | 1/25/2012 | Scott A Wilson |
| Q: this is the question and i cannot figure out how to solve it and in what way here it goes. A ... A: If the total time is 3 1/4 hours, that is the same as 13/4 of an hour. If the truck travelled 1/5 ... | ||
| Cost Volume Profit and Break Even Analysis | 1/25/2012 | Abe Mantell |
| Q: Respected Sir, Hope and wish that this message will catch u in best of health and luck. Sir , ... A: There are many places on the Internet you can go to learn about such things! Here are a few links: ... | ||
| Matrix Word Problem | 1/23/2012 | Abe Mantell |
| Q: tickets to a homecoming football game cost $4 for students, $10 for alumni, $12 for other adults, ... A: Here are the other equations needed: Six times more students than children attended ==> W=6Z The ... | ||
| Worker-Hours & Hour-Workers | 1/22/2012 | Scott A Wilson |
| Q: If 15 workers can perform a job in 7 hours, 1 worker can perform the job in how many hours? The ... A: It's all in the 2nd line which states, The calculation is 15 workers X 7 hours / 1 worker = 105 ... | ||
| Simultaneous equations | 1/21/2012 | Scott A Wilson |
| Q: 1. A certain integer is between 10 and 100. Its value is 8 times the sum of its digits and it it is ... A: 1. Let A and B both be digits. Let the number be AB (the two digits in order, not multiplied). This ... | ||
| Worker-Hours & Hour-Workers | 1/20/2012 | Scott A Wilson |
| Q: If 15 workers can perform a job in 7 hours, 1 worker can perform the job in how many hours? The ... A: Note that in the equation, 15 workers X 7 hours / 1 worker = 105 hours, workers is in the numerator ... | ||
| trigonometry | 1/19/2012 | Abe Mantell |
| Q: A side and a diagonal of a parallelogram are 12 inches and 19 inches respectively. The angle between ... A: Since the diagonals of a parallelogram bisect each other, we can analyze the triangle formed that ... | ||
| Fractional Parts | 1/19/2012 | Scott A Wilson |
| Q: Here are my questions: 15 workers finish a job in 7 days. 1. Each worker performs what fractional ... A: On problems like this, I find it very useful to define what are called widgets. Lets say the job is ... | ||
| precalculas | 1/18/2012 | Abe Mantell |
| Q: The radius of the earth is approximately 4,000 miles. A satellite orbits 5 miles above its surface. ... A: A) I gather you meant "The satellite completes 220th of a revolution around the earth in a day." ... | ||
| Math>Algebra | 1/6/2012 | Scott A Wilson |
| Q: How can I, Find the two consecutive positive odd numbers such that the sum of their squares is ... A: Since half of 113 is about 56, and the square of 7 is 49, I would try 7 and 9, which is 49 + 81 = ... | ||
| maths | 12/28/2011 | Abe Mantell |
| Q: if 240 meter long train,cross a pole in time 24 seconds.then,that train,how much time will take to ... A: The train moved 240 meters in 24 seconds = 10 meters/sec. To pass the 650 meter platform, the train ... | ||
| math | 12/4/2011 | Scott A Wilson |
| Q: the range finder on the wildlife film maker's camera told him that the gazelle started 60 leaps a ... A: If the gazelle started 60 leaps in the lead, and they are assumed to be cheetah leaps, then we'll ... | ||
| college algebra | 12/4/2011 | Scott A Wilson |
| Q: You plan to invest $40,000 in two funds paying 4.5%and 6% simple intrest. Your goal is to obtain a ... A: If the amount is $40,000 and the interest is $2265, that is 100(2265/40,000) = 5.6625% interest. ... | ||
| Rates | 12/3/2011 | Scott A Wilson |
| Q: 15 workers can complete a job in 7 days. 21 workers can finish the job in 5 days. 15 workers X 7 ... A: You've got to keep the units straight. That is correct when you say 105 worker-days means 1 worker ... | ||
| Business Math | 12/2/2011 | Scott A Wilson |
| Q: Guitarists hoping for a little country music magic in their playing can now buy an instrument carved ... A: On the side, 243 is recognized as 3^5, for 3*3*3*3*3 = 243. Starting at 1 and continually ... | ||
| Business Math | 12/2/2011 | Scott A Wilson |
| Q: Washburn is seeking a Sales and Marketing Coordinator with a bachelor's degree or equivalent ... A: I have found the best place to see taxes is at ... | ||
| Rates | 12/1/2011 | Scott A Wilson |
| Q: 15 workers can complete a job in 7 days. 21 workers can finish the job in 5 days. 15 workers X 7 ... A: The 1st problem is done correctly. As for the second problem, if 63 books cost $126, then the books ... | ||
| math | 11/30/2011 | Scott A Wilson |
| Q: alex hit four more home runs than twice the number of home runs Nick hit. together they hit 10 home ... A: Nick hit x home runs. Alex hit 2x + 4 home runs. It is given that x + 2x + 4 = 10, so 3x + 4 = 10, ... | ||
| Algebra | 11/28/2011 | Scott A Wilson |
| Q: 1. I deposit $3000 in an IRA at 25, the interest is at 8% and my tax bracket is at 40% I decide to ... A: 1. If the interest is 8% per yer, compounded yearly, and only one check for $3000 is deposited, what ... | ||
| Business Math | 11/26/2011 | Scott A Wilson |
| Q: A package must weigh at least 151 pounds. It must be palletized, stackable, forklift-friendly and ... A: Package: at least 151 pounds The cargo area at base: <16ft² Height: <= 70" Weight: <=2,200 pounds ... | ||
| mathematics | 11/21/2011 | Scott A Wilson |
| Q: what is 58,250 as a mixed number reduced A: The prime factorization gives 58,250 = 2*5*5*5*233. Thus, there are 3 unique prime numbers that can ... | ||
| Rates | 11/21/2011 | Scott A Wilson |
| Q: Here are my questions. Note that they are in two parts: [1] If 4 carpenters can build 8 houses in ... A: [1] Right. [2] I believe this is right as well. If it takes 4 carpenters 10 days to build 8 ... | ||
| gravity and acceleration | 11/12/2011 | Scott A Wilson |
| Q: my daughter is in eighth grade and dosent understand this subject. can you tell me an easier way to ... A: Gravity is 32.2 ft/s² where ft is feet and s is seconds, and is used as the variable a. This means ... | ||
| business math question | 11/11/2011 | Scott A Wilson |
| Q: David wants to buy a house. He doesn't know how much he should borrow. The bank will do a 30 yr at ... A: If the principal and interest is $985 per month, the value can be calculated. It is known that the ... | ||
| college algebra | 11/11/2011 | Scott A Wilson |
| Q: Keiko's penny bank is 1/2 full. After she removes 80 pennies, it is 1/3 full. How many pennies can ... A: If it is 1/2 full and she removes pennies until it is 1/3 full, that means she removed 1/6 of the ... | ||
| mathematics | 11/6/2011 | Scott A Wilson |
| Q: a company manufactures two products x and y by means of two processes a and b. the maximum capacity ... A: This gives rise to the constraints: 3x + y <= 1750 2x + 4y <= 4000 x >= 0, y >= 0. To find the ... | ||
| Math Problem | 11/6/2011 | Scott A Wilson |
| Q: Please solve this! I'm desperate! (If possible before the 8th of November 2011) Ok, here it is... ... A: The 1st man lays 500 bricks an hour to lay 1000 bricks in two hours. The 2nd man lay 300 1/3 bricks ... | ||
| e, ln, and logs | 11/1/2011 | Scott A Wilson |
| Q: If an object is put in an environment at a fixed temperature, A (the "ambient temperature"), then ... A: At t=0, the value of the function is A, so A = 160. As t goes on forever, the temperature will drop ... | ||
| Business Math | 10/27/2011 | Scott A Wilson |
| Q: Please help me with this problem as I am stumped as to how to solve it. Target sells boxes of ... A: If the bought 5 times as many boxes of vertical blinds as mini blinds, then for each mini blind, ... | ||
| inequalities | 10/26/2011 | Scott A Wilson |
| Q: A person has two choices for his salary. Plan A. A salary of $900 per month plus a commission of ... A: Plan A has the equation 900 + 0.1x. Plan B has the equation 1,200 for x less than 8000 and ... | ||
| Word problem | 10/24/2011 | Scott A Wilson |
| Q: How many grams of pure nickel must be added to 4200 grams of Alloy, 70% pure to make an alloy which ... A: First I will show the more complicated way, which would be used in general: Since it is 70% pure, ... | ||
| Ratios | 10/19/2011 | Scott A Wilson |
| Q: Can you think of a ratio that has units that have not canceled out? Do not use a rate as an example, ... A: I'm not sure what is being looked for, but perhaps if we thin of this classroom that has 20 students ... | ||
| Math | 10/18/2011 | Scott A Wilson |
| Q: Construct a quadratic equation with x= 3/7 and x= 4/3 as solution. A: The way to do this is to note that the equation x - 3/7 = 0 has the solution x = 3/7 and the ... | ||
| Math | 10/18/2011 | Scott A Wilson |
| Q: The base of the triangle in the figure is 4cm longer then the height. Finf the base if the area of ... A: The height of a triangle is x. The base is x+4. The area is base*height/2 = x(x+4)/2 = 30. ... | ||
| Graph | 10/13/2011 | Scott A Wilson |
| Q: I was trying to understand the following portion of an article, which stated: A) "... the ... A: I'm not sure what the probability in A is, but it has a peak of 0.37 the happens 2 days prior to ... | ||
Word Problems
Answers by Expert:
Scott A Wilson
Top Expert on this page
Expertise
Story problems with any relation to math.
Experience
I started doing story problems in grade school and have been helping people ever since.
Publications
In over 700 questions answered to other users. Maybe you're the next one ...
Education/Credentials
BA in Mathematical Sciences from OSU.
MS in Mathematics from OSU
Awards and Honors
Both my BS and MS degree were with honors.
Past/Present Clients
Students at OSU in the 80's and over 7000 questions right here,
but only around 1/10th of those have been word problems.
©2012 About.com, a part of The New York Times Company. All rights reserved.