SOLUTION: Train A leaves a station traveling at 20 miles per hour. Eight hours later train B leaves the same station traveling in the same direction at 30 miles per hour. How long does it ta

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Question 24109: Train A leaves a station traveling at 20 miles per hour. Eight hours later train B leaves the same station traveling in the same direction at 30 miles per hour. How long does it take for train B to catch up to train A ?
Answer by Paul(988)   (Show Source): You can put this solution on YOUR website!
LEt the number of hours be x

20(x+8)=30x
20x+160=30x
10x=160
x=16
Hence 16 hours.
Paul.

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