math

In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 16% of your total grade, each major test is worth 21%, and the final exam is worth 42%. Compute the weighted average for the following scores: 65 on the lab, 70 on the first major test, 61 on the second major test, and 76 on the final exam. (Enter your answer to one decimal place.)

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  1. Grade weight weighted-grade
    65 16% 10.4
    70 21% 14.7
    61 21% 12.8
    76 42% 31.9

    The weighted score is the sum of the weighted grade (third column).

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  2. wrong wrong wrong

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  3. 70 12%14.7

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