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
\n" );
document.write( "nearest foot.\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "Figure of bicycle with 3 measurements upon the wheel and chain:\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "https://i.imgur.com/sDCiH9U.png \n" );
document.write( "
Algebra.Com's Answer #759897 by Alan3354(69443) You can put this solution on YOUR website! 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 \n" ); document.write( "nearest foot. \n" ); document.write( "------- \n" ); document.write( "3.5/1.75 = 2, so the wheel makes x*150 = 300 revolutions. \n" ); document.write( "---- \n" ); document.write( "Circumference of the tire = 2pi*r = 24pi inches = 2pi feet. \n" ); document.write( "Distance = 600*pi feet \n" ); document.write( " \n" ); document.write( " |