document.write( "Question 200744: Jolina and Judy Ann can encode a term paper in 3 3/5 hours. Jolina can do it by herself in 6 hours. How long would it take Judy Ann to encode the term paper by herself? \n" ); document.write( "
Algebra.Com's Answer #150976 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 6X/(6+X)=3.6 \n" ); document.write( "6X=3.6(6+X) \n" ); document.write( "6X=21.6+3.6X \n" ); document.write( "6X-3.6X=21.6 \n" ); document.write( "2.4X=21.6 \n" ); document.write( "X=21.6/2.4 \n" ); document.write( "X=9 HOURS FOR JUDY TO ENCODE BY HERSELF. \n" ); document.write( "PROOF: \n" ); document.write( "6*9/(6+9)=3.6 \n" ); document.write( "54/15=3.6 \n" ); document.write( "3.6=3.6 \n" ); document.write( " |