document.write( "Question 1027977: Fred can stock the shelves of the canned vegetable aisle in 5 hours. Wanda can stock the same shelves in 4 hours. How long would it take Fred and Wanda working together to stock the shelves? \r
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document.write( "(Include units with your numerical answer. Round your answer to one decimal place.)\r
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document.write( "It would take______for Fred and Wanda working together to stock the shelves.
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Algebra.Com's Answer #643172 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Fred can stock the shelves of the canned vegetable aisle in 5 hours. Wanda can stock the same shelves in 4 hours. How long would it take Fred and Wanda working together to stock the shelves? \n" ); document.write( "--------------- \n" ); document.write( "Fred does 1/5 of the shelf per hour. \n" ); document.write( "Wanda does 1/4 per hours. \n" ); document.write( "--- \n" ); document.write( "Together, they do 1/5 + 1/4 per hour = 9/20 per hour. \n" ); document.write( "--> 20/9 hours per shelf \n" ); document.write( " \n" ); document.write( " |