Respuesta :
Answer:
The answer is 84.75
Step-by-step explanation:
To find the average of the quizzes add the marks scored and divide by the number of quizzes that was conducted
From the question the marks were for 4 quizzes.
So his quiz average is
[tex] \frac{84 + 91 + 78 + 86}{4} \\ = \frac{339}{4} [/tex]
We have the final answer as
84.75
Hope this helps you