algebra

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Danna wants to get 93 average in her three tests she took two tests and the scores are 89 and 94 what should be her score in the next test?. I know the answer . However I don't know the way please help

  • algebra -

    There's a total of 300 points.

    0.93 * 300 = 279

    She has 183.

    279 - 183 = ?

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