document.write( "Question 798346: If 2 students can clean 5 classrooms in 4 hours, how long would it take for 40 students to clean 40 classrooms
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Algebra.Com's Answer #482142 by richwmiller(17219) You can put this solution on YOUR website! 8 man hours for 5 rooms \n" ); document.write( "5/8 man hours per room \n" ); document.write( "40/5/8=40*8/5=64 man hours \n" ); document.write( "64/40=8*8/5*8=8/5 hours \n" ); document.write( "= 1 3/5 hours \n" ); document.write( "=1 hours 36 minutes.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |