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Suppose a marathon player covers 7 kilometers with a speed of 30 kilometer per hour in a race for his one-way trip. During the return trip. his speed decelerates to 25 km per hour. Find the average time of the marathon player for his two-way trips in a

Suppose a marathon player covers 7 kilometers with a speed of 30 kilometer per hour in a race for his one-way trip. During the return trip. his speed decelerates to 25 km per hour. Find the average time of the marathon player for his two-way trips in a

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter1: Equations, Inequalities, And Mathematical Modeling
Section: Chapter Questions
Problem 22T: On the first part of a 350-kilometer trip, a salesperson travels 2 hours and 15 minutes at an...
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Suppose a marathon player covers 7 kilometers with a speed of 30 kilometer per hour in a race for his one-way trip. During the return trip. his speed decelerates to 25 km per hour. Find the average time of the marathon player for his two-way trips in a race.

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