document.write( "Question 905464: John can completely wash and dry the dishes in 20 mins. His brother can do it in 30. How long will it take them to do it together? \n" ); document.write( "
Algebra.Com's Answer #549237 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! x time together \n" ); document.write( " \n" ); document.write( " 3x + 2x = 60 \n" ); document.write( "5x = 60 \n" ); document.write( "x = 12min, time together \n" ); document.write( " |