SOLUTION: A truck enters a highway driving 60 mph. A car enters the highway at the same place 14 minutes later and drives 73 mph in the same direction. From the time the car enters the highw
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Question 779989: A truck enters a highway driving 60 mph. A car enters the highway at the same place 14 minutes later and drives 73 mph in the same direction. From the time the car enters the highway, how long will it take the car to pass the truck? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! A truck enters a highway driving 60 mph. A car enters the highway at the same place 14 minutes later and drives 73 mph in the same direction. From the time the car enters the highway, how long will it take the car to pass the truck?
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let x=time it takes for car to pass truck
distance=travel time*speed
14 min=14/60 hr=7/30 hr
..
60(x+(7/30))=73x
60x+14=73x
13x=14
x=14/13
time it takes for car to pass truck=(14/13) hrs
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