SOLUTION: A bus travels 300 kilometers at a given speed. If the speed is increased by 5 kilometers per hour, the trip will be reduced by two hours. What is the speed?

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Question 1187409: A bus travels 300 kilometers at a given speed. If the speed is increased by 5 kilometers per hour, the trip will be reduced by two hours. What is the speed?
Answer by ikleyn(52784) About Me  (Show Source):
You can put this solution on YOUR website!
.

The "time" equation is


    300%2Fx - 30%2F%28x%2B5%29 = 2  hours.


Reduce it to a quadratic equation and solve using the quadratic formula or factoring.


ANSWER.  The speed of the bus was 25 km/h.

Solved.