PSAT Math Multiple-Choice Question 564: Answer and Explanation
Question: 564
If n percent of 80 is 20, what is n percent of 220
- A. 42
- B. 48
- C. 55
- D. 76
Correct Answer: C
Explanation:
(C) Set this up as an equation to determine what n equals. Use the first bit of information in the question:
Then take 25% of 220:
0.25 × 220 = 55
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