Respuesta :

evanc7515

Answer:

C. 97

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)

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