SOLUTION: 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
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Question 308471: 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: Answer by solver91311(24713) (Show Source):
If he averaged 16 mph for the first 20 miles, then hours have elapsed. Since he wants to complete the race in hours, there are hours remaining. He has miles to go. So he has to have a rate of miles per hour.
