Posted by Punkin on Tuesday, June 15, 2010 at 11:28pm.
Let x = the time to overtake
60x = 1.5 + 40x
Solve for x.
Let the time taken by the bus for the trip be t hours
Let the time taken by the car for the trip be t+1.5
distance covered by bus = 60t
distance covered by car = 40(t+1.5)
60t = 40(t+1.5)
60t = 40t + 60
20t = 60
t = 3
bus goes for 3 hours and the car for 4.5 hours
check:
3x60 = 180
4.5x40 = 180
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