document.write( "Question 903907: A and B can do a work in 20 and 30 days. A worked for few days and with the help of B,the work finished in 14 days. How many days did A worked alone? \n" ); document.write( "
Algebra.Com's Answer #548749 by richwmiller(17219)\"\" \"About 
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a+b=14,
\n" ); document.write( "a/20+b/20+b/30=1
\n" ); document.write( "a = 5, b = 9\r
\n" ); document.write( "\n" ); document.write( "A worked alone for 5 days and a and b worked together for 9 days
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