: Train A and Train B Math Question.?
A freight train leaves Chicago at midnight traveling south at a speed of 44 mph. One hour later a passenger train, going 55 mph, travels south from Chicago on a parallel track. When will the passenger train overtakes the freight train?
Please help! I can never remember how to do these stupid questions.
Answers and Views:
Answer by Joshua
Somewhere near Tulsa
assuming distance is x
x/44 = x/55 + 1
1/44 – 1/55 = 11/(44*55) = 1/220
x = 220
x/55 = 220/55 = 4
so 4 hours later
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