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posledela
3 years ago
11

Two cars start from the same place at the same time but travel in opposite directions. One car averages 42 miles per hour and th

e other averages 51 miles per hour. In how many hours will they be 651 miles apart
Mathematics
1 answer:
Andrew [12]3 years ago
7 0
The two cars will be 651 miles apart, when the sum of the distances covered by the two cars is 651 miles.

distance = speed x time.
Let the time covered when they are 651 miles apart be x, then:
42x + 51x = 651
93x = 651
x = 651/93 = 7.

Therefore, the two cars will be 651 miles apart in 7 hours.
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