Answer
$\frac{-60}{9}\approx-6.7^\circ C$
Work Step by Step
The formula is:
$C=(F-32)\times\frac{5}{9}$ where F is the Fahrenheit and C is Celsius.
Here:
$C=(20-32)\times\frac{5}{9}=\frac{-12\times5}{9}=-\frac{60}{9}\approx-6.7^\circ C$
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: 61
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