Asked by Jody

A bus trip of 90 miles would have taken an hour less if the usual average speed had been increased by 3 miles per hour. Find the usual average speed of the bus.

11 years ago

Answered by Steve

If normally the speed is x, then

90/x = 1 + 90/(x+3)

11 years ago

Answered by Anonymous

9 years ago

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Asked by Jody

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