Answer
$\dfrac {37}{20y}$
Work Step by Step
$\dfrac {1}{4y}+\dfrac {8}{5y}=\dfrac {5+8\times 4}{20y}=\dfrac {5+32}{20y}=\dfrac {37}{20y}$
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 - Chapter R Test Prep - Review Exercises - Page 83: 82
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