document.write( "Question 1056598: The radius of the tires of a car is 18 inches, and they are revolving at the rate of 673 revolutions per minute. How fast is the car traveling in miles per hour? \n" ); document.write( "
Algebra.Com's Answer #671690 by Boreal(15235)\"\" \"About 
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radius is 18 inches, and the circumference is 2*pi*18=113.01 inches
\n" ); document.write( "without rounding, multiply by 673 then by 60 to get revolutions per hour
\n" ); document.write( "then divide by 63,360, which is the number of inches in a mile. That will be the speed in mph.
\n" ); document.write( "72.078 mph
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