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pychu [463]
2 years ago
8

Two cars leave the origin; one goes north at 45 mph and the other goes south at 30 mph. after how many hours will they be 400 mi

les apart?
Mathematics
1 answer:
Butoxors [25]2 years ago
4 0
400 = 45x + 30x
400 = 75x
5.333 = x

Lets test

45mph for 5.333 hours = 240 miles
30mph for 5.333 hours = 160 miles
240 + 160 = 400 miles apart.
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