Problema Solution
Train A and Train B are traveling in the same direction on parallel tracks. Train A is traveling a 100 miles per hour and train B is traveling at 104 mile per hour. Train A passes at 11:15pm. If train B passes the same station at 11:45pm at what time will train B catch up to train A?
Answer provided by our tutors
100(n)+100(1/2)=104n
100n+50=104n
4n=50
n=50/4=12.5 hours later
11:45 a.m.+12-1/2 hours=12:15 a.m. the next day