SOLUTION: To travel a distance of 120 km, a car takes 40 minutes less than a bus. If the car travels at an average of 15 km/h faster than the bus. Find the speed of the car and the bus.

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Question 806551: To travel a distance of 120 km, a car takes 40 minutes less than a bus. If the car travels at an average of 15 km/h faster than the bus.
Find the speed of the car and the bus.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
(r+15)(t-2/3)=120,
(r)*t=120
r = 45, t = 8/3
r+15=60