SSAT Math Question 339: Answer and Explanation
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Question: 339
8. The average time for each section of a three-section test took Patrick 2 hours and 7 minutes. How long did it take Patrick to complete the test?
- A. 4 hours and 14 minutes
- B. 5 hours and 21 minutes
- C. 6 hours
- D. 6 hours and 21 minutes
Correct Answer: D
Explanation:
The answer is D
Let a, b, and c represent the times taken on each section, and set up the average equation: 
= 2 hours, 7 minutes. Multiply both sides by 3: a + b + c = 6 hours, 21 minutes. This is the total time.
A good way to think of average is Total = Average × Number (TAN). Here, the number of sections is 3, and the average is 2 hours, 7 minutes. Thus, the total time is 2 hours, 7 minutes × 3 = 6 hours, 21 minutes.