document.write( "Question 1036207: Five brick-layers working together can build a wall in 20 days.
\n" ); document.write( "Suppose every brick-layer works at the same rate. Three
\n" ); document.write( "brick-layers work on the wall for 10 days before eleven more
\n" ); document.write( "brick-layers join them. How much longer will it take them to
\n" ); document.write( "finish the wall?
\n" ); document.write( "

Algebra.Com's Answer #650840 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
in one day, 5 brick layers build 1/20 of a wall, so each one does 1/100 of a wall per day.
\n" ); document.write( "Three brick layers at 10 days do 30% of the wall.
\n" ); document.write( "therefore 11 more brick layers join them and there are 14 brick layers available, each of whom can build 1/100 of the wall. In each day, 14/100 of the wall will be done, and in 5 days, 70% of the wall will be done, finishing it.\r
\n" ); document.write( "\n" ); document.write( "Five days.
\n" ); document.write( "
\n" );