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MATH

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Tim and Judy mix two kinds of feed for pedigreed dogs. They wish to make 29 pounds of feed worth $0.47 per pound by mixing one kind worth $0.44 per pound with another worth $0.55 per pound.
How many pounds of the cheaper kind should they use in the mix?

-please help! so confused!

  • MATH -

    you have 29 total pounds. You want soo many pounds of the 44 cent and so many pounds of the 55 cent feed. So you can make the equation .44x + .55(29-x) = 29 x .47

    Solve for x, that will tell you how many pounds of the cheaper kind they should use

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