document.write( "Question 907878: a and b can each do a piece of work in 15 days and 18 days. if a works for 10 days, how long will b alone take to complete the job ?? \n" ); document.write( "
Algebra.Com's Answer #550689 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a and b can each do a piece of work in 15 days and 18 days. if a works for 10 days, how long will b alone take to complete the job ?? \n" ); document.write( "----- \n" ); document.write( "a's rate = 1/15 job/day \n" ); document.write( "In 10 days \"a\" completes 10(1/15) = 2/3 of the job. \n" ); document.write( "----- \n" ); document.write( "b's rate = 1/18 job/day \n" ); document.write( "--- \n" ); document.write( "Equation: \n" ); document.write( "In \"x\" days \"b\" must complete 1/3 of the job \n" ); document.write( "x(1/8) = 1/3 \n" ); document.write( "x = (1/3)/(1/18) \n" ); document.write( "x = 6 days \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------------- \n" ); document.write( " \n" ); document.write( " |