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: 61

Answer

$\frac{45}{13}$

Work Step by Step

We can write the given ratio as a fraction and then simplify in lowest terms. $\frac{4\frac{1}{2}miles}{1\frac{3}{10}miles}$ Since both the denominator and numerator have the same unit, we can divide out the common unit. $\frac{4\frac{1}{2}}{1\frac{3}{10}}=\frac{\frac{9}{2}}{\frac{13}{10}}=\frac{9}{2}\times\frac{10}{13}=\frac{9\times10}{2\times13}=\frac{90}{26}=\frac{90\div2}{26\div2}=\frac{45}{13}$
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