algebra
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Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 80 miles per hr and train B is traveling at 88 miles per hour. Train A passes a station at 8:10 AM. If train B passes the same station at 8:40 AM, what time will train B catch up to train A? Answer: ____:____ am or pm

D = RT
88 = Rate of Train B
T = Time of Train B
88T = Distance of Train B
80 = Rate of Train A
T + .5 = Time of Train A (8:40  8:10 = 30 min = .5 h)
80(T + .5) = Distance of Train A
Since distances are equal
80(T + .5) = 88T
80T + 40 = 88T
8T = 40
T = 5
Train B will catch up to A in 5 hrs
I'll let you calculate what time train B will catch up to train A.
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