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A freight train travels at 30 mph. If the freight train is 300 miles ahead of an express train traveling at 55 mph, how long will the express train take to overtake the freight …

A freight train travels at 30 mph. If the freight train is 300 miles ahead of an express train traveling at 55 mph, how long will the express train take to overtake the freight …
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A freight train travels at 30 mph. If the freight train is 300 miles ahead of an express train traveling at 55 mph, how long will the express train take to overtake the freight train?

asked
User Shoniisra
by
8.2k points

1 Answer

1 vote
Let the time elapsed be x, then
30x + 300 = 55x
55x - 30x = 300
25x = 300
x = 300/25 = 12

Therefore, it will take the express train 12 hours to overtake the freight train.
answered
User Mark Feng
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8.1k points
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