Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter R - Section R.2 - Operations on Real Numbers - R.2 Exercises: 123

Answer

$112^{\mathrm{o}}$ F

Work Step by Step

To find the difference between the two temperatures, we subract them: $90^{\mathrm{o}}-(-22^{\mathrm{o}})$ $=90^{\mathrm{o}}+22^{\mathrm{o}}$ $=112^{\mathrm{o}}$ F
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