document.write( "Question 633941: Your friend can address envelopes twice as fast as you can. Together you and your friend address all the envelopes in 3 hours. How long would it take your friend to address the envelopes alone? \n" ); document.write( "
Algebra.Com's Answer #399687 by richwmiller(17219) You can put this solution on YOUR website! 3/x+3/y=1; \n" ); document.write( "x=2y \n" ); document.write( "x=9 y=9/2 =4.5 hours the friend \n" ); document.write( "he does 2/3 and you do 1/3 of the job. \n" ); document.write( " |