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) You can put this solution on YOUR website! 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.. \n" ); document.write( " |