Answer
$$\frac{-71}{20}$$
Work Step by Step
$$p=-4,q=8,r=-10$$
$$\frac{3r}{q}-\frac{2}{r}$$
$$\frac{3(-10)}{8}-\frac{2}{-10}$$
$$\frac{-30}{8}+\frac{2}{10}$$
$$\frac{-150}{40}+\frac{8}{40}$$
$$\frac{-142}{40}$$
$$\frac{-71}{20}$$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter R - Review of Basic Concepts - R.2 Real Numbers and Their Properties - R.2 Exercises - Page 20: 40
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