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Ksivusya [100]
3 years ago
8

Two cars leave the same point at the same time traveling in opposite directions. One car travels west at 20 mph and the other tr

avels east at 60 mph. In how many hours will they be 280 miles apart?
Mathematics
1 answer:
VashaNatasha [74]3 years ago
3 0

9514 1404 393

Answer:

  3.5 hours

Step-by-step explanation:

The separation distance is increasing at the rate of 20 mph + 60 mph = 80 mph. It will be 280 miles after ...

  time = distance/rate

  time = (280 mi)/(80 mi/h) = 3.5 h

The two cars will be 280 miles apart after 3 1/2 hours.

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