The Official SAT Question of the Day™

Read the following SAT test question, then click on a button to select your answer.

If 44 is the average (arithmetic mean) of x, x, x, 35, and 65, then x =

A. 40
B. 42
C. 44
D. 48
E. 50

Answer is A

Here's Why:

Since 44 is the average of the 5 numbers, it follows that (x + x + x + 35 + 65) ÷ 5 = 44. This gives the equation 3x + 100 = 5 · 44 = 220. Solving this equation gives x = 40.


Difficulty: Medium
Question Type: Standard Multiple Choice

(Mathematics)