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Today at 10:37 AM
Mathematics

Answered

Ali has scored 88, 94, 82, and 83 on his previous four tests. What score does he need on his next test so that his average (mean) is 86?

Answer :

KurdishPotato KurdishPotato

Today at 10:42 AM

Answer:

83

Step-by-step explanation:

(94 + 88 + 82 + 83 + x) ÷ 5 = 86

(347 + x) ÷ 5 = 86

347 + x = 86 × 5 ➡ 347 + x = 430

x = 430 - 347

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