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Mathematics, 18.07.2019 03:00 leannamat2106

Boris has scored 80, 93, 63, 83, and 83 on his previous five tests. what score does he need on his next test so that his average (mean) is 79?

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Boris has scored 80, 93, 63, 83, and 83 on his previous five tests. what score does he need on his n...
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