document.write( "Question 288659: 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/ \n" ); document.write( "

Algebra.Com's Answer #209207 by brucewill(101) $\"\"$ $\"About$

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Let x = time for both together to finish the task.\r
\n" ); document.write( "\n" ); document.write( " $\"%281%2F4%29+%2B+%281%2F6%29+=+%281%2Fx%29\"$
\n" ); document.write( "LCD for these fractions: 24x
\n" ); document.write( " $\"6x+%2B+4x+=+24\"$
\n" ); document.write( " $\"10x+=+24\"$
\n" ); document.write( " $\"x+=+%2824%2F10%29\"$
\n" ); document.write( " $\"x+=+%2812%2F5%29\"$ or 2 hours 24 minutes. \n" ); document.write( "

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