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FrozenT [24]
3 years ago
14

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?
Mathematics
1 answer:
Nata [24]3 years ago
5 0

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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