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Mathematics 9 Online
OpenStudy (anonymous):

A car with a tire of radius 16 inches is rotating at 450 rev. per minute. Find the speed of the car to the nearest kilometers per hour.

OpenStudy (anonymous):

find the circumference multiply the circumference with the # revolutions per min and that will give you the speed in inches/min

OpenStudy (anonymous):

And then?

OpenStudy (anonymous):

convert inches/min to km/hr...

OpenStudy (anonymous):

Aaaah. Thanks :D

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