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sergeinik [125]
2 years ago
15

David has scored 81 , 87 , 69 , and 82 on his previous four tests. what score does he need on his next test so that his average

(mean) is 82 ?
Mathematics
1 answer:
kvv77 [185]2 years ago
7 0
91 so the mean can avrege out to 82
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