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Section A has 24 students with an average of 82; Section B has 16 students with an average of 83. What is the combined average?

  1. 82.5
  2. 82.6
  3. 83.4
  4. 82.4

Answer

D. 82.4

Solution

(24 × 82 + 16 × 83) ÷ 40 = 3296 ÷ 40 = 82.4.

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