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Question
1.I want to Find the amounts of each element in a
120 Ib.woman? How can I solve that question?

Answer
Hello,

When you say "element", are you referring to the chemical composition of the human body?

e.g., if you were told that 70% of the body comprises water, then, for a woman who weighs 120 lb, (70/100)*120 lb would be water.

In general, if an element accounts for x% of the overall composition, and the total weight is W, then, the amount is given by (x/100)*W.

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Josh

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When I work through problems, I like to emphasize concepts which I believe are worth noting. I will try to answer questions in the following areas, but not at the advanced level. Algebra. Sequences & Series. Trigonometry. Functions & Graphs. Coordinate Geometry. Quadratic Polynomials. Exponential & Logarithms. Basic Calculus. Probability, Permutation and Combination. Mathematical Induction. Complex numbers. Physics problems.

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I have worked as a teaching assistant in college. My hope is that more people will share knowledge without boundary, give help without seeking recognition or monetary rewards.

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