document.write( "Question 1139429: The chain wheel of Emma’s bicycle has a radius
\n" ); document.write( "of 3.5 inches. The rear gear has a radius of 1.75 inches, and the
\n" ); document.write( "back tire has a radius of 12 inches. If Emma pedals for 150 revo-
\n" ); document.write( "lutions of the chain wheel, how far will she travel? Round to the
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\n" ); document.write( "\n" ); document.write( "Figure of bicycle with 3 measurements upon the wheel and chain:\r
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Algebra.Com's Answer #759898 by ikleyn(52914)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "150 revolutions of the chain wheel become 300 revolutions of the back tire.\r\n" );
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document.write( "The back tire has the diameter of 24 inches or 2 feet, so the circumference is  \"pi%2AD\" = 2*pi feet.\r\n" );
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document.write( "300 revolutions of the tire give the distance 300*2*pi = 600*pi feet.     ANSWER\r\n" );
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