SOLUTION: You can ride a bike for 15 mph. Your sister tides 12 mph. You give her a one hour head start. In how many hours will you catch up if niether of you stops?
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Question 952777: You can ride a bike for 15 mph. Your sister tides 12 mph. You give her a one hour head start. In how many hours will you catch up if niether of you stops? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! You can ride a bike for 15 mph. Your sister tides 12 mph. You give her a one hour head start. In how many hours will you catch up if niether of you stops?
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If you mean at 15 mph:
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After 1 hr, she's 12 miles away.
You "gain on her" at 3 mi/hr (15-12)
12/3 = 4 hours.
