document.write( "Question 130020: If Sally can paint a house in 4 hours and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together?
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document.write( "A) 2 hours 24mins
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document.write( "B) 3 hours 12mins
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document.write( "C) 3 hours 44mins
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document.write( "D) 4 hours 10mins
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document.write( "E) 4 hours 33mins \n" );
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Algebra.Com's Answer #95023 by checkley71(8403) ![]() You can put this solution on YOUR website! 4*6/(4+6)=24/10=2.4 hours or 2 hours 24 min. answer a) \n" ); document.write( " |