PSAT Math Multiple-Choice Practice Question 355

Question: 355

Seven out of every 250 students at a certain university who take a test are expected to score at least 90 percent. If the university gives this test to 12,000 students, how many would be expected to score at least 90 percent?

Correct Answer: D

Explanation:

D

Difficulty: Easy

Category: Ratios and Proportions

Getting to the Answer: Assign a variable, say n, to the number of students expected to score at least 90 percent when 12,000 students take the test. Then, set up a proportion and solve for n:

The correct answer is (D).

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