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bill and amy want to ride their bikes from their neighborhood to school which is 14.4 kilometers away. it takes amy 40 minutes to arrive at school. bill arrives 20 mins after amy. how much faster in meters per second is amys average speed for the entire trip?
so distance is 14.4 km=14400m the speed of Amy is 14400/40=360m/min Bill spend 40+20=60min to arrive at school so his spped is 14400/60=240m/min the difference between speeds is 360-240=120m/min Answer: Amy faster on 120m/min
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