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How many minutes will there be between their arrival times?

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Car A and car B set off from the same place, at the same time, to travel the same journey.

Car A travels at 50 mph and car B travels at 35 mph.

If the distance the two cars travel is 250 miles, how many minutes will there be between their arrival times?

posted Mar 20, 2017 by Basabdatta Mukherjee

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1 Answer

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Answer is 134 minutes.
Speed of A is 50mph
Speed of B is 35mph
Distance to be travelled by both cars is 250miles.
Time taken to cover this distance by both cars:
Speed = Distance/Time
Let t1 be car A time and t2 be car B time.
Car A:
50 = 250/t1
t1 = 250/50 = 5hrs = 300 minutes.
Car B:
35 = 250/t2
t2 = 250/35 = 7.14hrs = 434 minutes.
Minutes will there be between their arrival times is t1~t2 = 134 minutes.

answer Mar 20, 2017 by Vigneshvari



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