document.write( "Question 485246: A and B can do a job in 25 days. B alone can do 1/3 of the job in 15 days. In how many days can A alone do it. [Hints: B can do whole work in (153) = 45 days] \n" ); document.write( "
Algebra.Com's Answer #331884 by jorel1380(3719)\"\" \"About 
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b=1/3 job in 15 days
\n" ); document.write( "b=1 job in 45 days
\n" ); document.write( "1/n+1/45=1/25
\n" ); document.write( "225/n+5=9
\n" ); document.write( "225/n=4
\n" ); document.write( "4n=225
\n" ); document.write( "n=225/4=56-1/4
\n" ); document.write( "A can do the job alone in 56&1/4 days..
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