document.write( "Question 1032377: Abe, Bart and Cain are house painters. It takes Abe and Bart 15 days to paint a house. It will take Bart and Cain 12 days to paint the same house while Abe and Cain will take 20 days for the same job. How many days will it take if 3 of them work together? \n" ); document.write( "

Algebra.Com's Answer #647034 by josgarithmetic(39617) $\"\"$ $\"About$

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document.write( "Painter        Rate (house per hours)   Alternative variable rate\r\n" );
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document.write( "Abe                                 A\r\n" );
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document.write( "Bart                                B\r\n" );
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document.write( "Cain                                C\r\n" );
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document.write( "Abe&Bart     \r\n" );
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document.write( "Bart&Cain    \r\n" );
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document.write( "Abe&Cain     \r\n" );
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\n" ); document.write( "\n" ); document.write( "You might choose to form a linear system in three variables using the alternative named variables.
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\n" ); document.write( "\n" ); document.write( "What what you know, maybe substitution being the easier method.
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