SOLUTION: How long will it take a bicyclist, traveling at 20mph to catch up to a jogger traveling at 8 mph, if the jogger had a half-hour head start?

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Question 897762: How long will it take a bicyclist, traveling at 20mph to catch up to a jogger traveling at 8 mph, if the jogger had a half-hour head start?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
4 mi lead
overtake speed=12mph
4/12=0.33 hrs or 20 minutes