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): You can put this solution on YOUR website!
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.
John
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