SAT Math Multiple Choice Question 752: Answer and Explanation

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Test Information

Question: 752

2. If the average of 3, 5, and m is 10, what is the value of m?

  • A. 2
  • B. 6
  • C. 12
  • D. 22

Correct Answer: D

Explanation:

D

Problem Solving and Data Analysis (central tendency) EASY

The average of the three numbers is 10:

Images

Multiply by 3:

3 + 5 + m = 30

Simplify:

8 + m = 30

Subtract 8:

m = 22

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