document.write( "Question 777803: Amar can do a piece of work in 15 days. when he had worked for 3 days, sameer joined him and the remaining work was finished in 8 days. in how many days can sameer alone finish the whole work?\r
\n" ); document.write( "\n" ); document.write( "Amar's one day work = 1/15*3 = 1/5\r
\n" ); document.write( "\n" ); document.write( "whats next is a doubt in my mind...
\n" ); document.write( "

Algebra.Com's Answer #474282 by lwsshak3(11628)\"\" \"About 
You can put this solution on YOUR website!
Amar can do a piece of work in 15 days. when he had worked for 3 days, sameer joined him and the remaining work was finished in 8 days. in how many days can sameer alone finish the whole work?
\n" ); document.write( "***
\n" ); document.write( "let x=days sameer can finish the whole work alone
\n" ); document.write( "1/x = his work rate
\n" ); document.write( "1/15=amar's work rate
\n" ); document.write( "..
\n" ); document.write( "Amar worked for 11 days
\n" ); document.write( "Sameer worked for 8 days
\n" ); document.write( "..
\n" ); document.write( "11*1/15+8*(1/x)=100%
\n" ); document.write( "11/15+8/x=1
\n" ); document.write( "8/x=1-11/15=4/15
\n" ); document.write( "4x=8*15=120
\n" ); document.write( "x=30
\n" ); document.write( "days sameer can finish the whole work alone=30
\n" ); document.write( "
\n" );