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college alg

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A meat market has ground beef that is 40% fat and extra lean ground beef that is 15% fat. How many pounds of each(ground beef and extra lean) must be together to get total of 50 pounds of "lean" ground beef that is 25% fat?

  • college alg -

    amount of the 40% beef --- x
    amount to the 15% beef --- 50-x

    solve for x

    .4x + .15(50-x) = .25(50)
    I would multiply each term by 100

    40x + 15(50-x) = 25(50)

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