SOLUTION: two trains head in the same direction on parallel tracks, but train e is 30 km in front of train f. If train e averages 42km/h and train f averages 60 km/h, how long will it take f

Question 239128: two trains head in the same direction on parallel tracks, but train e is 30 km in front of train f. If train e averages 42km/h and train f averages 60 km/h, how long will it take for the faster train to catch up with the slower
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
two trains head in the same direction on parallel tracks, but train e is 30 km in front of train f. If train e averages 42km/h and train f averages 60 km/h, how long will it take for the faster train to catch up with the slower
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Train f is gaining on train e at 18 km/h (60 - 42)
30 km/18 km/hr = 5/3 hours
= 1 hr 40 mins
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