Two cars, 129 miles apart, start moving towards each other at the same time. one is moving 3 times as fast as the other. if they
meet 2.0 hrs later, find the average speed of the slower car in miles per hour?
1 answer:
x – slower car
3x faster car
D = distance traveled by slower car
D = distance traveled by faster car
D+d = 129
Both cars traveled for 2 hours
D=2x
d=2(3x) = 6x
2x+6x = 129
8x = 129
x=129/8 = 16.125 miles per hour
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