Asked by trey
Two runners are competing in a race. One runner averages a pace of 7 minutes per mile and finishes the race in
28 minutes. The second runner finishes the race in 30 minutes. Which of the following is the pace of the second
runner
28 minutes. The second runner finishes the race in 30 minutes. Which of the following is the pace of the second
runner
Answers
Answered by
Ms. Sue
What are your choices? What is your answer?
Answered by
trey
7 minutes, 15 seconds per mile
B. 7 minutes, 30 seconds per mile
C. 8 minutes, 15 seconds per mile
D. 8 minutes, 30 seconds per mile
B. 7 minutes, 30 seconds per mile
C. 8 minutes, 15 seconds per mile
D. 8 minutes, 30 seconds per mile
Answered by
Juan
Answer: B) 7 minutes, 30 seconds per mile.
It takes the slower runner 30/28 minutes longer than the faster runner to complete the race, or 1.071 times longer. Because the faster runner is going at 7 minutes per mile, the second runner is going at 7.5 minutes per mile (1.071 * 7), or 7 minutes and 30 seconds per mile.
It takes the slower runner 30/28 minutes longer than the faster runner to complete the race, or 1.071 times longer. Because the faster runner is going at 7 minutes per mile, the second runner is going at 7.5 minutes per mile (1.071 * 7), or 7 minutes and 30 seconds per mile.
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