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Donna has scored 62 , 70 , and 62 on her previous three tests. What score does she need on her next test so that her average (mean) is 63 ?
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Donna has scored 62 , 70 , and 62 on her previous three tests. What score does she need on her next test so that her average (mean) is 63 ?

User AbdelElrafa
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1 Answer

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Here next score would have to be 58.
User Chowdhury
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