document.write( "Question 97023: Working together, Rick and Juanita can complete a job in 6 hours. It would take Rick 9 hours longer than Juanita to do the job alone. How long would it take Juanita alone? \n" ); document.write( "
Algebra.Com's Answer #70737 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 6=x*(x+9)/(x+x+9) \n" ); document.write( "6=(x^2+9x)/(2x+9) cross multiply \n" ); document.write( "6(2x+9)=x^2+9x \n" ); document.write( "12x+54=x^2+9x \n" ); document.write( "x^2+9x-12x-54=0 \n" ); document.write( "x^2-3x-54=0 \n" ); document.write( "(x-9)(x+6)=0 \n" ); document.write( "x-9 =0 \n" ); document.write( "x=9 answer. \n" ); document.write( "proof \n" ); document.write( "6=(9*18)/9+9+9 \n" ); document.write( "6=162/27 \n" ); document.write( "6=6 \n" ); document.write( " |