Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 7 - Section 7.6 - Proportions and Problem Solving with Rational Equations - Exercise Set: 9

Answer

Weight of elephant on Pluto = 369 pounds

Work Step by Step

Given ratio of weight of any object on earth to Pluto is = 100 : 9 = $\frac{100}{9}$ Weight of elephant on earth = 4100 pounds. Let weight of elephant on Pluto be $\rightarrow$ x Thus, $\frac{4100}{x}$ should be in a ratio of $\frac{100}{9}$ (Given) Thus, $\frac{4100}{x}$ = $\frac{100}{9}$ Thus x = $\frac{4100(9)}{100}$ = 41(9) = 369 So the weight of elephant on Pluto = x = 369 pounds.
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