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diamong [38]
3 years ago
14

A 1939 Ford heads out of town traveling at 40 mph. Three hours later a 1957 Chevy follows traveling at 70 mph. How long will it

take for the Chevy to overtake the Ford?
Mathematics
1 answer:
slavikrds [6]3 years ago
7 0

4 hours

using the formula

distance = speed × time (t)

the Ford will have travelled 3 × 40 = 120 miles before the Chevy leaves

the Ford's distance can be modelled as

distance = 40t + 120

the Chevy's distance can be modelled as

distance = 70t

equating the right sides and solve for t

70 t = 40t + 120 ( subtract 40t from both sides )

30t = 120 ( divide both sides by 30 )

t = 4

the Chevy catches up with the Ford after 4 hours



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