stizzyjwetts stizzyjwetts

09-09-2019
Mathematics

contestada

Your grades on four exams are 78, 85, 97, and 92
What grade do you need on the next exam to have an
average of 90 on the five exams?

Respuesta :

harpazo harpazo

09-09-2019

Let g = grade needed

(78 + 85 + 92 + 97 + g)/5 = 90

Solve for g.

Answer Link

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