Professor Jung and Professor Min are very competitive. They want to impress their colleague Professor Lee by showing her how fast they can run. They agree to run a race 100 yards across the playground. Professor Jung runs an average speed of 7ft/s for the first half of the race and an average speed of 13ft/s for the second half of the race. Professor Min runs at an average speed of 10ft/s for of the race and runs at an average speed of 8ft/s for the remaining of the race. If needed, round to the nearest hundredth decimal. Show the equations you used for each problem. A. What was Professor Jung's average speed for the entire race? B. What was Professor Min's average speed for the entire race? C. How far did each of them travel 20 seconds through the race? Who won the race?
Professor Jung and Professor Min are very competitive. They want to impress their colleague Professor Lee by showing her how fast they can run. They agree to run a race 100 yards across the playground. Professor Jung runs an average speed of 7ft/s for the first half of the race and an average speed of 13ft/s for the second half of the race. Professor Min runs at an average speed of 10ft/s for of the race and runs at an average speed of 8ft/s for the remaining of the race. If needed, round to the nearest hundredth decimal. Show the equations you used for each problem. A. What was Professor Jung's average speed for the entire race? B. What was Professor Min's average speed for the entire race? C. How far did each of them travel 20 seconds through the race? Who won the race?
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter12: Algebra Of Matrices
Section12.CM: Cumulative Review Problem Set
Problem 114CM
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Transcribed Image Text:Professor Jung and Professor Min are very competitive. They want to impress their colleague Professor
Lee by showing her how fast they can run. They agree to run a race 100 yards across the playground.
Professor Jung runs an average speed of 7ft/s for the first half of the race and an average speed of 13ft/s
for the second half of the race. Professor Min runs at an average speed of 10ft/s for of the race and runs
4
at an average speed of 8ft/s for the remaining of the race. If needed, round to the nearest
hundredth decimal. Show the equations you used for each problem.
A. What was Professor Jung's average speed for the entire race?
B. What was Professor Min's average speed for the entire race?
C. How far did each of them travel 20 seconds through the race? Who won the race?
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