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    Finding the score needed on a final exam to obtain a desired average.

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    Your score on three tests are 76,88, and 72. Your grade on the final exam will count twice as much as any one test grade in determining your average grade for the course. In order for your average grade for the course to be 82, your grade on the final exam must be: ?

    a. 85
    b. 87
    c. 77
    d. 92
    e. none of the above

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    Solution Preview

    Given: Three test scores are 76,88 and 72.

    The average score is 82

    The final exam score is twice as ...

    Solution Summary

    The score needed on a final exam to obtain a desired average is found.

    $2.49

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