SOLUTION: a car travels at constant speed from q to r , a distance of 300 km apart . if the driver increases the speed by 5 km/hr , the journey will take 2 hours less .find the original spee

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Question 810416: a car travels at constant speed from q to r , a distance of 300 km apart . if the driver increases the speed by 5 km/hr , the journey will take 2 hours less .find the original speed of the car.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
r*t=d
r*t=300,
(r+5)*(t-2)=300
r = 25, t = 12