Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - 2.1 - Rational Numbers: Multiplication and Division - Problem Set 2.1: 27

Answer

$\dfrac{10}{21}$

Work Step by Step

RECALL: $\dfrac{a}{b} \div \dfrac{c}{d} = \dfrac{a}{b} \cdot \dfrac{d}{c}$ Use the rule above to obtain: $\\=\dfrac{2}{7} \cdot \dfrac{5}{3} \\=\dfrac{2 \cdot 5}{7 \cdot 3} \\=\dfrac{10}{21}$
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