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An Ironman Triathlon consist of swimming...

An Ironman Triathlon consist of swimming 2.4 miles, biking 112 miles,and running a marathon distance of 28.2 miles. Dylan completed an Ironman Triathlon in 12 hours and 30 minutes. He spent approximately half the time biking. He needed hour 4 times as much time to run the 26.2 miles as to swim the 2.4 miles. The average rate of minutes per mile at which Dylan ran the marathon part of the triathlon is closest to which of the following

A

`10.6`

B

`11.5`

C

`12.2`

D

`13.4`

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The correct Answer is:
B
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