Answer :
miles per hour. How long will it take for the two trains to be
272
272
train1 = 90 miles per hour
train 2 = 80 miles per hour
90 + 80 = 170
272 / 170 = 1.6 hours = 1 hour 36 minutes
train 2 = 80 miles per hour
90 + 80 = 170
272 / 170 = 1.6 hours = 1 hour 36 minutes