During the first 20 miles of a 50 mile bicycle race, Roger's average speed was 16 mi/h.

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outtatown241

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What must his average? During the first 20 miles of a 50 mile bicycle race, Roger's average speed was 16 mi/h. What must his average speed be during the remainder of the race if he is to finish the race in less than 2.5 hours? Greater than:

A. 24 mi/hB. 8 mi/h
C. 12 mi/hD. 4 mi/h
 
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