Answer
$-\frac{1}{2}$
Work Step by Step
$-\frac{4}{5}-(-\frac{3}{10})=-\frac{4\times2}{5\times2}+\frac{3}{10}=-\frac{8}{10}+\frac{3}{10}=-\frac{5}{10}=-\frac{1}{2}$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 1 - Section 1.3 - Operations on Real Numbers and Order of Operations - Exercise Set - Page 27: 13
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