Prealgebra (7th Edition)

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

Chapter 4 - Review - Page 321: 86

Answer

$-\frac{1}{7}$

Work Step by Step

$-\frac{2}{7}\times(\frac{1}{5}+\frac{3}{10})$ $=-\frac{2}{7}\times(\frac{2}{10}+\frac{3}{10})$ $=-\frac{2}{7}\times\frac{1}{2}$ $=-(\frac{2}{7}\times\frac{1}{2})$ $=-(\frac{1}{7}\times\frac{1}{1})$ $=-\frac{1}{7}$
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