document.write( "Question 743150: If Patrick can paint a wall in 40 minutes what percent it can he pain in 1/2 hours \n" ); document.write( "
Algebra.Com's Answer #452766 by davethejackal(28)![]() ![]() You can put this solution on YOUR website! Patrick can paint 100% of a wall in 40 minutes.\r \n" ); document.write( "\n" ); document.write( "So he can paint (100/40)% of the wall in 1/40th of the time. i.e. 1 minute.\r \n" ); document.write( "\n" ); document.write( "So he can paint 30 x as much as he can paint in 1 minute if he paints for 30 minutes (half an hour) = 30 x (100 / 40) %\r \n" ); document.write( "\n" ); document.write( "= 75%. \n" ); document.write( " |