Maths

Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 80 for the four tests?

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  1. 84+65+76 = 225

    to have an 80 average of 4 tests he needs 320 total points.

    good luck, Jim.

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  2. There will be four exams this semester. You've already taken the first three. Your scores were 60, 82, and 93. What score must you get on your fourth test in Oder to earn at least an 80% in the class

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