document.write( "Question 627939: If a work is done in 4 days by A and the same work is done in 12 days by B, then how many days will it take to complete the work working A and B together? \n" ); document.write( "
Algebra.Com's Answer #395241 by richwmiller(17219)\"\" \"About 
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x/4+x/12=1
\n" ); document.write( "3x/12+x/12=1
\n" ); document.write( "4x/12=1
\n" ); document.write( "4x=12
\n" ); document.write( "x=3
\n" ); document.write( "They can do it in three days working together.
\n" ); document.write( "A will do 3/4 of the work and B will do 3/12 or 1/4 of the work.
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