Prealgebra (7th Edition)

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

Chapter 4 - Section 4.6 - Complex Fractions and Review of Order of Operations - Exercise Set: 29

Answer

$1\frac{1}{6}$

Work Step by Step

When $y=\frac{2}{5}$ and $z=\frac{5}{6}$: $5y-z$ $=(5\times\frac{2}{5})-(\frac{5}{6})$ $=\frac{5}{1}\times\frac{2}{5}-\frac{5}{6}$ $=\frac{1}{1}\times\frac{2}{1}-\frac{5}{6}$ $=2-\frac{5}{6}$ $=\frac{12}{6}-\frac{5}{6}$ $=\frac{7}{6}$ $=1\frac{1}{6}$
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