Kyle ran 3 miles in 17(1/2) minutes on Saturday, 4(1/2) miles in 22 minutes on Sunday, and 2 miles in 9 minutes on Monday. What was Kyle’s average rate of speed while running?
5.1 minutes per mile.
1.6 minutes per mile.
16.2 minutes per mile.
17.8 minutes per mile.
Detailed Explanation
Average is the total time divided by the total miles run. The total time is 17.5 + 22 + 9 = 48.5 minutes. The total number of miles run is 3 + 4.5 + 2 = 9.5. The average is 48.5/9.5 =5.1 minutes per mile.
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