SAT Math Multiple Choice Practice Question 424: Answer and Explanation

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Question: 424

7. If c is positive, what percent of 3c is 9 ?

A.
B.
C.
D. 3%
E.

Correct Answer: E

Explanation:

E Plug in 6 for c. The question is now asking what percent of 18 is 9. The answer would be 50. Which-ever choice gives you 50 when 6 is plugged in for C is the answer. Therefore, E is the answer. Remember: Plugging in good numbers will make your life much easier!

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