Question 374756: Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels
at 75 miles per hour. The westbound train travels at 95miles per hour. How long will it take for the two trains to be 238 miles apart?
1 answer:
Let the number of hours = X
Multiply the speed of each train by the number of hours (x) and add them together to equal the total miles:
75x + 95x = 238
Simplify:
170x = 238
Divide both sides by 170:
x = 238/170
x = 1.4 hours.
Check:
75 x 1.4 = 105 miles
95 x 1.4 = 133 miles
105 + 133 = 238 miles
It will take 1.4 hours ( 1 hour and 24 minutes).
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