Basic College Mathematics (9th Edition)

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

Chapter 5 - Ratio and Proportion - Review Exercises: 27

Answer

x=1575

Work Step by Step

We can set the cross products of the given proportion equal to each other and then solve for the unknown variable. $4\times x=42\times150$ $4x=6300$ Divide both sides by 4. $\frac{4x}{4}=\frac{6300}{4}$ x=1575
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