document.write( "Question 694392: If a painter can paint a house in 6 hours and his apprentice can paint the same sized house in 9 hours, how long will it take for them to paint a house if they worked together?\"
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Algebra.Com's Answer #427853 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 1/6+1/9=1/x \n" ); document.write( "find the lcd (18) \n" ); document.write( "(3+2)/18=1/x \n" ); document.write( "5/18=1/x cross multiply. \n" ); document.write( "5x=18 \n" ); document.write( "x=18/5 \n" ); document.write( "x=3.6 hours.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |