The mean of five numbers is . Four of the numbers are . What is the fifth number?

Answer and explanation

Correct answer: B. 34

  1. Step 1: Calculate the total sum of all five numbers using the mean: .
  2. Step 2: Sum the four known numbers: .
  3. Step 3: Subtract the known sum from the total sum to find the fifth number: .
Answer
34.

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