Two trains leave a city at the same time. One train goes west at a constant rate of 60 mph. The other goe east at a rate of 50 mph. How long will it take the trains to be 550 miles apart

A) 5 hours

B) 7 hours

C) 9 hours

D) 11 hours

Question

Mathematics

Yasmin Larsen

16 April, 02:12

Two trains leave a city at the same time. One train goes west at a constant rate of 60 mph. The other goe east at a rate of 50 mph. How long will it take the trains to be 550 miles apart

A) 5 hours

B) 7 hours

C) 9 hours

D) 11 hours

+5

Answers (1)

Know the Answer?

Shyanne Luna · Answer 1

5 hours.

Step-by-step explanation:

Combined speed of the trains = 50 + 60 = 110 mph. They are increasing the distance between them at 110 mph.

Therefore the time when they are 550 miles apart is distance / speed

= 550/110 = 5 hours.

Two trains leave a city at the same time. One train goes west at a constant rate of 60 mph. The other goe east at a rate of 50 mph. How long will it take the trains to be 550 miles apartA) 5 hoursB) 7 hoursC) 9 hoursD) 11 hours

Two trains leave a city at the same time. One train goes west at a constant rate of 60 mph. The other goe east at a rate of 50 mph. How long will it take the trains to be 550 miles apart

A) 5 hours

B) 7 hours

C) 9 hours

D) 11 hours