SOLUTION: Rachel takes three trains to commute to her job the commute takes her on average , 1hour and 20 minutes. If she walks for about 15 minutes and rides the trains for about 53 minutes

Question 1134266: Rachel takes three trains to commute to her job the commute takes her on average , 1hour and 20 minutes. If she walks for about 15 minutes and rides the trains for about 53 minutes. What's her average waiting time at each of the three train stations?
Answer by ikleyn(52756) (Show Source): You can put this solution on YOUR website!
.

I think they want you subtract 53 minutes and then subtract 15 minutes from 1 hour and 20 minutes.

Can you do it on your own ?

Answer. Total waiting time is 12 minutes.

Divide it by 3 to get average waiting time of 4 minutes at each of the three train stations.

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