Class A has 33 students with an average score of 66, and Class B has 25 students with an average score of 66. What is the combined average score of both classes?
- A. 69
- B. 68
- C. 63
- D. 66 ✓
Correct answer
D. 66
Explanation
Total score = (33 × 66) + (25 × 66) = 2178 + 1650 = 3828. Combined average = 3828 ÷ (33+25) = 66.
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