Prealgebra (7th Edition)

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 680: 73


$\frac{190}{9}\approx21.1^\circ C$

Work Step by Step

The formula is: $C=(F-32)\times\frac{5}{9}$ where F is the Fahrenheit and C is Celsius. Here: $C=(70-32)\times\frac{5}{9}=\frac{38\times5}{9}=\frac{190}{9}\approx21.1^\circ C$
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