document.write( "Question 1198053: a lawn roller is a cylinder 0.96m long and 0.6m in diameter.How many revolutions of the roller are needed to roll 76m^2 of lawn?
\n" ); document.write( "thanks for answering. \n" ); document.write( "

Algebra.Com's Answer #831578 by ikleyn(52803) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "a lawn roller is a cylinder 0.96m long and 0.6m in diameter.
\n" ); document.write( "How many revolutions of the roller are needed to roll 76m^2 of lawn?
\n" ); document.write( "thanks for answering.
\n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "The area equation for this problem is\r\n" );
document.write( "\r\n" );
document.write( "    76 = 0.96*(pi*0.6)*n  square meters,\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "where n is the number of revolutions,  = 3.14 (approximately).\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "From this equation\r\n" );
document.write( "\r\n" );
document.write( "    n =  = 42.02052.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Probably, you want (or, may be, do not want) to round it to 42 revolutions.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );