document.write( "Question 810555: 3 people can paint 5 walls in 41 minutes.\r
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document.write( "How many minutes will it take for 8 people to paint 8 walls? Round to the nearest minute. \n" );
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Algebra.Com's Answer #488272 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! 3 people can paint 5 walls in 41 minutes \n" ); document.write( "---------------------------------- \n" ); document.write( "It would take 3 people 8 times as long to paint 40 walls \n" ); document.write( "so, 3 people paint 40 walls in 328 minutes \n" ); document.write( "------------------------------------ \n" ); document.write( "3 people can paint 1/5 as many walls in 1/5 of that time, \n" ); document.write( "so, 3 people paint 8 walls in 65.6 minutes \n" ); document.write( "-------------------------------- \n" ); document.write( "24 people can paint 8 walls in 1/8 of that time \n" ); document.write( "so, 24 people paint 8 walls in 8.2 min \n" ); document.write( "-------------------------------- \n" ); document.write( "1/3 as many people take 3 times as long to paint \n" ); document.write( "the same number of walls \n" ); document.write( "so, 8 people can paint 8 walls in 24.6 minutes\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |