Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-6 Ratios, Rates, and Conversions - Lesson Check - Page 121: 4


80 2/3 feet per second

Work Step by Step

In order to solve this problem, we must convert miles per hour into feet per second. We know that there are 3600 seconds in an hour. Thus, we divide 55 miles per hour by 3600 seconds to obtain a speed of 55 miles per 3600 seconds. We also know that there are 5280 feet in a mile. Thus, we multiply 55 miles per 3600 seconds by 5280 feet to obtain an answer of 80 2/3 feet per second.
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