Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 5 - Ratio and Proportion - 5.1 Ratios - 5.1 Exercises - Page 335: 9

Answer

$\frac{1}{3}$

Work Step by Step

30 minutes to 90 minutes $\frac{30 minutes}{90 minutes}$ now as both numerator and denominator has same unit it can be divided out. $\frac{30}{90}$ Now divide both numerator and denominator by 30. $\frac{30 ÷30 }{90 ÷30}$ it can be written as a fraction in the lowest term as $\frac{1}{3}$
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