document.write( "Question 897087: A tire for a car is 28 inches in diameter. If the car is traveling at a speed of 20 mi/hr, find the number of revolutions the tire makes per minute. (Round your answer to the nearest hundredth.) \n" ); document.write( "
Algebra.Com's Answer #543972 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! The circumference is: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "One circumference is traced out in one revolution \n" ); document.write( "------------------------ \n" ); document.write( "In words: \n" ); document.write( "( revolutions / minute ) x ( inches / revolution ) = inches / minute \n" ); document.write( "( revolutions / minute ) = ( inches / minute ) / ( inches / revolution ) \n" ); document.write( "( revolutions / minute ) = ( inches / minute ) / 87.948 \n" ); document.write( "-------------------- \n" ); document.write( "( inches / minute ) = ( inches / feet ) x ( feet / mile ) x ( miles / hour ) x ( hours / minute ) \n" ); document.write( "( inches / minute ) = \n" ); document.write( "( inches / minute ) = \n" ); document.write( "------------------------------ \n" ); document.write( "( revolutions / minute ) = \n" ); document.write( " \n" ); document.write( "The tire makes 240.14 RPM \n" ); document.write( "Hope I got it \n" ); document.write( " \n" ); document.write( " |