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)\"\" \"About 
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8 man hours for 5 rooms
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\n" ); document.write( "40/5/8=40*8/5=64 man hours
\n" ); document.write( "64/40=8*8/5*8=8/5 hours
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\n" ); document.write( "=1 hours 36 minutes.\r
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