Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 5 - Ratio and Proportion - 5.5 Solving Application Problems with Proportions - 5.5 Exercises: 35


No, you cannot use a proportion to solve this problem.

Work Step by Step

A proportion will not solve this problem because weight is not proportional to age. Jim could gain or lose weight by the time he is 50 years old so using a proportion will not provide an accurate answer.
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