document.write( "Question 887380: Housecleaning. Sally can clean the house in 6 hours, and her father can clean the house in 4 hours. Sally's younger brother, Dennis, cna completely mess up the house in 8 hours. If Sally and her father clean and Dennis plays, how long will it take to clean the house? \n" ); document.write( "
Algebra.Com's Answer #536595 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! The younger brother's rate is negative in regard to cleaning the house. One job is \"clean the house\".\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For HOURS per HOUSE, |