document.write( "Question 850353: If a lead pipe 1/4 in. thick has an inner diameter of 1 1/2 in., find the number of cubic inches of a lead in a piece of pipe 10 ft. long.
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Algebra.Com's Answer #512130 by ankor@dixie-net.com(22740)\"\" \"About 
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If a lead pipe 1/4 in. thick has an inner diameter of 1 1/2 in.,
\n" ); document.write( " find the number of cubic inches of a lead in a piece of pipe 10 ft. long.
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\n" ); document.write( "convert 10 ft to inches
\n" ); document.write( "12 * 10 = 120\"
\n" ); document.write( "Find the inner radius:
\n" ); document.write( "\"1%2F2\" * \"3%2F2\" = \"3%2F4\" (.75\")
\n" ); document.write( "The overall radius of the pipe, add 1/4 inch:
\n" ); document.write( ".75 + .25 = 1\"
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\n" ); document.write( "Find volume of the lead
\n" ); document.write( "lead vol (V) = Overall volume - inner volume
\n" ); document.write( "V = \"pi%2A1%5E2%2A120\" - \"pi.75%5E2%2A120\"
\n" ); document.write( "V = 377 - 112 = 265 cu/in of lead
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