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)\"\" \"About 
You can put this solution on YOUR website!
The circumference is:
\n" ); document.write( "\"+pi%2Ad+=+3.141%2A28+\"
\n" ); document.write( "\"+pi%2Ad+=+87.948+\" in
\n" ); document.write( "One circumference is traced out in one revolution
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\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 ) = \"+%28+12%2F1+%29%2A%28+5280%2F1+%29%2A20%2A%28+1%2F60+%29+\"
\n" ); document.write( "( inches / minute ) = \"+21120+\"
\n" ); document.write( "------------------------------
\n" ); document.write( "( revolutions / minute ) = \"+21120+%2F+87.948+\"
\n" ); document.write( "\"+21120+%2F+87.948+=+240.1419+\"
\n" ); document.write( "The tire makes 240.14 RPM
\n" ); document.write( "Hope I got it
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