Multiple Choice
Two Physics classes at Jefferson High School took the same quiz. Mr. Spears had 20 students in his class with a mean score of 80. Mrs. Guyton's class of 30 students had a mean score of 90. Overall, what was the mean score for all students on the quiz?
A) 84
B) 85
C) 86
D) 87
Correct Answer:

Verified
Correct Answer:
Verified
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