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?
1 answer:
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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