document.write( "Question 467382: A tire for a compact car measures 25 inches in diameter. The car is traveling at a speed of 55 mph. Find the nearest integer, the number of revolutions per minute, RPM, the tire makes. \n" ); document.write( "
Algebra.Com's Answer #320665 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! C=2πr=25π=78.54 inches \n" ); document.write( "55 mph=55/60 mpm =.9167 miles per minute \n" ); document.write( ".9167 mpm x 5280 feet per mile x 12 inches per feet/78.54 inches per revolution= \n" ); document.write( "739.5 revolutions per minute.. \n" ); document.write( " |