Problema Solution

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 80 miles per hour and train B is traveling at 100 miles per hour. Train A passes a station at 12:10 a.m. If train B passe the same station at 12:25 a.m., at what time will train B catch up to train A?

When will train B catch up to train A? ___:___ ___

Answer provided by our tutors

Answer        1.25   AM

 

in 15 min first train will travel  20 miles

20 miles will be covered by second train in 1 hour  (100 - 80 ) = 20 

so after 1 hour it will catch     1.25  AM