Answer
68 degrees F
Work Step by Step
Using the formula
F = $\frac{9}{5}$C + 32
C = 20
F = $\frac{9}{5}$ * 20 + 32
F = 68 degrees F
which is the answer
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 1 - Equations and Inequalities - 1.1 Linear Equations - 1.1 Exercises - Page 94: 61
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