Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 1 - Section 1.3 - Early Definitions and Postulates - Exercises - Page 29: 8

Answer

90 seconds

Work Step by Step

Step 1: The combined total distance the jogger ran is: 300 + 450 + 600, or 1350 meters. Step 2: Divide 1350 by 15 (The jogger runs 15 meters per second) $\frac{1350}{15}$ = 90 Step 3: The jogger ran the total race in 90 seconds.
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