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During the first 20 miles of a 50 miles bicycle race rogers average speed was 16 mih what must his average be during the remainder of the race if he is to finish the race in less than 2.5 hours?
Wiki User
∙ 15y ago
20 miles at 16mph would take 1.25 hours. To complete the race in 2.5 hours, the final 30 miles must be completed in 1.25 hours ie 30/1.25 = 24mph
Wiki User
∙ 15y ago
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