At the "Neverlate" railroad station there are two tracks, A and B, both going to the city. At 7 A.M. a train leaves on each track, at the same time for the city. After that, the trains on track A leave every 8 minutes abd those on track B leave every 9 minutes. Mr. Cortez arrives at the train station at 8:25 A.M.He will have to wait _______minutes for the next train.

2 answers

For track A, count by 8s til you reach a time just after 8:25. For track B, count by 9's until you reach a time just after 8:25.
3 minutes