document.write( "Question 103523: A wheel has a radius of 8 inches. To reduce wear on the rubber tire, the radius is increased to 10 inches. How many more inches, rounded to 4 significant digits, will the new tire go on each revolution? \n" ); document.write( "
Algebra.Com's Answer #75260 by checkley75(3666)\"\" \"About 
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CIRCUMFERANCE=2PIR=2*3.14*8=50.24 INCHES.
\n" ); document.write( "CIR.=2*3.14*10=62.8 INCHES.
\n" ); document.write( "62.8-50.24=12.56 INCHES MORE PER REVOLUTION.
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