Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - Chapter Review: 39

Answer

2.25 minutes

Work Step by Step

We need to do a unit conversion in this problem. There are 60 seconds in a minute. Thus, we obtain: $\frac{135 seconds}{1} \times \frac{1 minute}{60 seconds} =2.25$ minutes. Note, we need to cancel out the unit of seconds, so we multiply 135 seconds by a fraction with seconds in the denominator.
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