Question 913858
Tony is 1/2 of a mile ahead of Laura on a jogging path. If Tony is running at 5 miles per hour,and Laura is running at 7 miles per hour, how long, will it take Laura to catch up with Tony?
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travel time=distance/speed
Laura speed relative to tony's is 7-5=2 mph
travel time=(1/2)/2=1/4
how long, will it take Laura to catch up with Tony? 1/4 hr or 15 min