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Two trains leave a city at the same time. One train goes west at a constant rate of 80 mph. The other goes east at a rate of 60 mph. How long will it take the trains to be 1,050 miles apart? A. 75 hours
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Two trains leave a city at the same time. One train goes west at a constant rate of 80 mph. The other goes east at a rate of 60 mph. How long will it take the trains to be 1,050 miles apart?

A. 75 hours
B. 17.5 hours
C. 13 hours
D. 7.5 hours

User Adnan Abdollah Zaki
by
6.8k points

2 Answers

4 votes

Answer:

D

Explanation:

User John Pittaway
by
7.3k points
4 votes
f(x) = 80x
g(x) = 60x

h(x) = 140x
h(x) = 140(7.5)

so your answer seems to be D
User Robob
by
7.1k points
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