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Mathematics, 01.05.2021 05:10 ladnerhailey16

04/17: Average: Mean Alex has grades of 87, 75 and 86 on three math tests. What grade must he obtain on the next test to have an avera
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04/17: Average: Mean

Alex has grades of 87, 75 and 86 on three math tests. What grade must he obt

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04/17: Average: Mean Alex has grades of 87, 75 and 86 on three math tests. What grade must he obta...
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