document.write( "Question 94144: An experienced accountant can balance the books twice as fast as a new accountant. Working together it takes the accountants 6 hours. How long would it take the experienced accountant working alone? \n" ); document.write( "
Algebra.Com's Answer #68553 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! x*2x/x+2x=6 \n" ); document.write( "2x^2/3x=6 \n" ); document.write( "2x^2=18x \n" ); document.write( "2x^2-18x=0 \n" ); document.write( "2x(x-9)=0 \n" ); document.write( "x-9=0 \n" ); document.write( "x=9 hours for the fast accountant. \n" ); document.write( "2*9=18 hours for the slow accountant. \n" ); document.write( "proof \n" ); document.write( "2*9^2/3*9=6 \n" ); document.write( "2*81/27=6 \n" ); document.write( "162/27=6 \n" ); document.write( "6=6 \n" ); document.write( " \n" ); document.write( " |