document.write( "Question 889890: Martha can rake the leaves in 3 hours. Her brother takes 7 hours. How long will it take if they work together?
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Algebra.Com's Answer #538580 by harpazo(655) You can put this solution on YOUR website! Here is your equation:\r \n" ); document.write( "\n" ); document.write( "1/3 + 1/7 = 1/x\r \n" ); document.write( "\n" ); document.write( "Solve for x to find your answer. \n" ); document.write( " |