Basic College Mathematics (9th Edition)

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

Chapter 5 - Ratio and Proportion - Summary Exercises - Ratio, Rates and Proportions - Page 358: 3

Answer

$\frac{9}{10}$

Work Step by Step

(20 million+25 million) to 50 million (45 million) to 50 million $\frac{45}{50}$ = $\frac{45\div5}{50\div5}$ = $\frac{9}{10}$
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