Sunday
March 1, 2015

Homework Help: math

Posted by Kay on Friday, July 3, 2009 at 9:57pm.

The stopping distance d of a car after tehe brakes are applied varies directly as the square of the speed r. If a car traveling 50 mph can stop in 140 ft. How many feet will it take the same car to stop when it is traveling 70 mph?
I did everything and I got 6860/25, how do I convert that to lowest terms, they are not looking for a mixed fraction, which is the only thing I know how to do. Thank you

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