please answer this and provide an explanation since I have to explain the questions thanks you I really appreciate it
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Answer:
Step-by-step explanation:
An average is calculated by adding all the terms together and then dividing by the number of terms in the set.
so we have x + x + x + 85 = 3x + 85 / 4 = 94
(3x + 85)/4 = 94
x = 97 (average of grades excluding the 85)
I'm always happy to help :)