Question

Two trains leave the station at the same time, one heading west and the other east. The westbound train travels at

90

miles per hour. The eastbound train travels at
80

miles per hour. How long will it take for the two trains to be
272

miles apart?
Do not do any rounding.

Answer 1

miles per hour. How long will it take for the two trains to be
272

Answer 2

train1 = 90 miles per hour
train 2 = 80 miles per hour

90 + 80 = 170

272 / 170 = 1.6 hours = 1 hour 36 minutes