Civil Service Exam Reviewer · Averages · medium
Section A has 26 students with an average of 92; Section B has 21 students with an average of 75. What is the combined average?
- 83.5
- 84.4
- 82.6
- 85.4
Answer
B. 84.4
Solution
(26 × 92 + 21 × 75) ÷ 47 = 3967 ÷ 47 = 84.4.
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