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25 October, 12:12

5) Rolanda scored 20, 15, and 16 on her first three math quizzes. Jetta scored 16, 19, and 17 on her quizzes. Using e the mean to compare, who has the higher math quiz scores so far?

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  1. 25 October, 13:40
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    Roland; 20+15+16=51, 51:3 = 17

    Roland; 17

    We divide 3 because it's the total number of grade she got.

    Jetta; 16+19+17=52, 52:3 = 17.1

    Jetta; 17.1

    So, probably Jetta got better grade than Rolanda
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