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10 December, 04:39

Going into the final exam, which will count as two tests, Brooke has test scores of 75, 82, 70, 65, and 90. What score does Brooke need on the final in order to have an

average score of 80?

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  1. 10 December, 05:42
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    Brooke needs to get a 98 on the final to get an average of 80.

    So you know that the total of the five given score is 382 by adding all the scores.

    Now you multiply the average, 80 by 6 for the total of six tests including the final which is 480

    Then you subtract 480-382 to find your answer.
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