Question 901817
Tony is 1/2 mile ahead of Laura on a running path. If Tony is running 5mph and Laura is running 7mph, how long will it take Laura to catch Tony?
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let x=travel time of Laura in catching up to tony
Laura is catching up to Tony at a speed of 7-5=2 mph
travel time=distance/speed
x=0.5/2=.25
how long will it take Laura to catch Tony? .25 hr or 15 min