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Posted by on Wednesday, July 10, 2013 at 6:33pm.

a plumber has 12 1/2 feet of plastic pipe he uses 3 2/8 feet for the sink line and 5 3/4 feet for the washing machine . he needs approximately 3 1/2 feet for a disposal. does he have enough pipe left for a disposal?

  • math - , Wednesday, July 10, 2013 at 6:35pm

    Hint: It's a lot easier to change these fractions to decimals.

    Then subtract the amount he uses for the sink line and the washing machine from the total amount of pipe.

    I'll be glad to check your answer.

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