document.write( "Question 707592: It takes 36 days for 27 people, who are all working together at the same rate, to build a house. How long would it take 9 people to build the house? \n" ); document.write( "
Algebra.Com's Answer #435757 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! Just thinking intuitively about this, I see cutting the workforce to one-third the size, should take three times longer. 108 days.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The idea is rates of every worker to be additive. A certain rate using 9 workers; three times that rate if 27 workers.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Group of 27_________1/36___________36__________1 \n" ); document.write( "Group of 9__________(1/36)/3_______(d)_________1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "that may look messy, hard to read, but is ONE divided by the rate of \"one over thirtysix divided by 3\". \n" ); document.write( " |