document.write( "Question 866752: It takes Dave 20 hours to paint a fence. When he works with Mike, they can paint the same fence in 4 hours. How long would it take Mike to paint the fence working alone? \n" ); document.write( "
Algebra.Com's Answer #522460 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 1/20 + 1/M = 1/4 \n" ); document.write( "--------------- \n" ); document.write( "There are 100's of this type of problem already solved. \n" ); document.write( "Look them up for further info. \n" ); document.write( " \n" ); document.write( " |