document.write( "Question 467891: A and B can do work in 6 days. if A works alone he takes 10 days. what will be the time required by B to complete the work???? \n" ); document.write( "

Algebra.Com's Answer #321065 by josmiceli(19441) $\"\"$ $\"About$

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Add their rates of working to get
\n" ); document.write( "their rate working together
\n" ); document.write( "Let A's rate = 1 job / $\"a\"$ days
\n" ); document.write( "Let B\"s rate = 1 job / $\"b\"$ days
\n" ); document.write( "given:
\n" ); document.write( " $\"+1%2Fa+%2B+1%2Fb+=+1%2F6+\"$
\n" ); document.write( " $\"+1%2Fa+=+1%2F10+\"$
\n" ); document.write( " $\"+1%2F10+%2B+1%2Fb+=+1%2F6+\"$
\n" ); document.write( " $\"+1%2Fb+=+10%2F60+-+6%2F60+\"$
\n" ); document.write( " $\"+1%2Fb+=+4%2F60+\"$
\n" ); document.write( " $\"+1%2Fb+=+1%2F15+\"$
\n" ); document.write( "B can do 1 job in 15 days
\n" ); document.write( " \n" ); document.write( "

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