document.write( "Question 111847: I'm replacing the tires on my truck and want to know my engine speed (RPM) with the new tires. Old tire revolutions per mile = 794 / new tire revolutions per mile = 782. Engine speed at 65MPH with old tires = 3,100 RPM. What is my engine speed going to be with the new tires?\r
\n" ); document.write( "\n" ); document.write( "Thanks,
\n" ); document.write( "Mike
\n" ); document.write( "

Algebra.Com's Answer #81599 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
792/782=X/65 NOW CROSS MULTIPLY
\n" ); document.write( "782X=792*65
\n" ); document.write( "782X=51480
\n" ); document.write( "X=51480/782
\n" ); document.write( "X=65.83 THE NEW SPEED BECAUSE OF THE LARGER TIRES.
\n" ); document.write( "
\n" );