document.write( "Question 404174: If it takes 3 man 4 days to lay 400 feet of pipe, how many men will it take to lay 2400 feet of pipe in 2 days? \n" ); document.write( "
Algebra.Com's Answer #285665 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! 3 men work 3 times as fast as 1 man. \n" ); document.write( "If it takes 3 man 4 days to lay 400 feet of pipe \n" ); document.write( "Then it takes 1 man 12 days to lay 400 ft of pipe (3 times as long) \n" ); document.write( "To lay 6 times as much pipe in the same time , it takes 6 times as many men \n" ); document.write( "Thus it will take 6 men 12 days to lay 2400 ft of pipe \n" ); document.write( "It will take 6 times as many men to lay 2400 ft of pipe in 1/6 of that time \n" ); document.write( "Thus it will take 36 men 2 days to lay 2400 ft of pipe (answer) \n" ); document.write( "------------------------------------------ \n" ); document.write( " \n" ); document.write( " |