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Algebra/Maths-Profit and loss

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Question
Even after giving a 10% discount on the printed price of an item the shopkeeper   gets a 20% profit. If the item is sold without the discount What is the % of profit on the printed price?

Answer
Lets say the price was P.
If a 10% discount is given, the price is 0.9P.
This is said to give a 20% profit.
20% of 0.9P is 0.18P.
If the paper were sold without the discount, that would mean we had the discount of 0.1P back again.  This makes the total profit 0.1P + 0.18P = 0.28P.

Algebra

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Scott A Wilson

Expertise

Any algebraic question you've got. That includes question that are linear, quadratic, exponential, etc.

Experience

I have solved story problems, linear equations, parabolic equations. I have also solved some 3rd order equations and equations with multiple variables.

Publications
Documents at Boeing in assistance on the manufacturiing floor.

Education/Credentials
MS at math OSU in mathematics at OSU, 1986. BS at OSU in mathematical sciences (math, statistics, computer science), 1984.

Awards and Honors
Both my BS and MS degrees were given with honors.

Past/Present Clients
Students in a wide variety of areas since the 80's; over 1,000 of them have been in algebra.

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