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Train A leaves a station traveling at 32 km/h. Two hours later, train B leaves the same station traveling in the same direction at 52 km/h. How long does it take train B to catch up to train A?
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Train A leaves a station traveling at 32 km/h. Two hours later, train B leaves the same station traveling in the same direction at 52 km/h. How long does it take train B to catch up to train A?

User Svaponi
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1 Answer

2 votes
No. Of hours after passenger train passed the station x:
52x = 32(x + 2)
13x = 8(x + 2)
13x = 8x + 16
5x = 16
x = 16/5 or 3 1/5

Answer:
3 1/5 hours OR 3 hrs 12 min

Hope this helps!
User TobiMarg
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