Basic College Mathematics (9th Edition)

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

Chapter 6 - Percent - 6.4 Using Proportions to Solve Percent Problems - 6.4 Exercises - Page 420: 27


330 mountain bikes

Work Step by Step

$\frac{462}{x}=\frac{140}{100}$ or $\frac{462}{x}=\frac{7}{5}$ Cross products: $7x=2310$ Isolate the x: $x=330$
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