document.write( "Question 513832: Robil can do 2 jobs in 3 days, and Buray can do 5 jobs in 6 days. Robil works for 3 days and then Buray begins to help. How many days will it take to complete a total of 74 jobs? \n" ); document.write( "
Algebra.Com's Answer #343180 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! Robil can do 2 jobs in 3 days, and Buray can do 5 jobs in 6 days. Robil works for 3 days and then Buray begins to help. How many days will it take to complete a total of 74 jobs? \n" ); document.write( "Let x = time (days) to perform 74 jobs \n" ); document.write( "then \n" ); document.write( "x(2/3 + 5/6) = 74 \n" ); document.write( "multiply both sides by 6: \n" ); document.write( "x(4 + 5) = 444 \n" ); document.write( "x(9) = 444 \n" ); document.write( "x = 444/9 \n" ); document.write( "x = 49.33 days \n" ); document.write( "or \n" ); document.write( "x = 49 days and 8 hours \n" ); document.write( " |