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
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document.write( "Amar's one day work = 1/15*3 = 1/5\r
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document.write( "whats next is a doubt in my mind... \n" );
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Algebra.Com's Answer #474282 by lwsshak3(11628)![]() ![]() ![]() 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( " |