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algebra

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If 800 mL of a juice drink is 15% grape juice, how much grape juice should be added to make a drink that is 20% grape juice? Use the table below to help.

  • algebra -

    Hmmmm.

    Let V bet the volume added.

    (800ml+V).2=800*.15+V

    solve for V.

  • algebra -

    50mL

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