Tracy's times swimming 200 yards were as follows: 2:45, 2:47, 2:44 How fast will Tracey have to swim her next 200 yards so that her average time for the 4 trails is 2:45? Explain how you can solve this problem without adding the times

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Tracy's times swimming 200 yards were as follows: 2:45, 2:47, 2:44

How fast will Tracey have to swim her next 200 yards so that her average time for the 4 trails is 2:45? Explain how you can solve this problem without adding the times.

 

Expert Solution
Step 1

Given that: Times are 2:45, 2:47, 2:44.

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