Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 6 - Cumulative Review - Page 466: 49



Work Step by Step

The ratio of \$15 to \$10 is written as $\frac{2.5}{3.15}$. $\frac{2.5}{3.15}=\frac{2.5\times20}{3.15\times20}=\frac{50}{63}$
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