Answer
$54.32\approx54.3^\circ F$
Work Step by Step
The formula is:
$F=C\times\frac{9}{5}+32$ where F is the Fahrenheit and C is Celsius.
Here:
$F=12.4\times\frac{9}{5}+32=\frac{111.6}{5}+32=22.32+32=54.32\approx54.3^\circ F$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 9 - Section 9.7 - Temperature and Conversions Between the U.S. and Metric Systems - Exercise Set - Page 679: 67
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