document.write( "Question 976812: Two painters, Joe and Sam, will paint a house working together. Working alone, Joe can paint the house in sixteen hours and Sam can paint it in twelve hours. How long will it take Joe and Sam to paint the house working together? \n" ); document.write( "

Algebra.Com's Answer #598335 by MathTherapy(10552) $\"\"$ $\"About$

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\n" ); document.write( "Two painters, Joe and Sam, will paint a house working together. Working alone, Joe can paint the house in sixteen hours and Sam can paint it in twelve hours. How long will it take Joe and Sam to paint the house working together?
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Joe can do  of work in 1 hour
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document.write( "Sam can do  of work in 1 hour
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document.write( "Let time be T
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document.write( "Then we get: 
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document.write( "3T + 4T = 48 ------- Multiplying by LCD, 48T
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document.write( "7T = 48
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document.write( "T, or time =  hours \n" );
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