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 - Page 285: 48

Answer

$\frac{1}{25}$

Work Step by Step

$(\frac{1}{10}-\frac{3}{20})(\frac{1}{5}-1)$ $=(\frac{2}{20}-\frac{3}{20})(\frac{1}{5}-\frac{5}{5})$ $=(-\frac{1}{20})(-\frac{4}{5})$ $=--(\frac{1}{20}\times\frac{4}{5})$ $=\frac{1}{20}\times\frac{4}{5}$ $=\frac{1}{5}\times\frac{1}{5}$ $=\frac{1}{25}$
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