SAT Math Multiple Choice Question 689: Answer and Explanation

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Question: 689

14. Images

Of those surveyed who expressed an opinion on Proposal 81a, approximately what percentage are under 40 years of age?

  • A. 30%
  • B. 38%
  • C. 68%
  • D. 72%

Correct Answer: A

Explanation:

A

Data Analysis (table) HARD

Since the question asks about those "who expressed an opinion on Proposal 81a," we must ignore those who are listed as having No Opinion.

The number at the bottom right of the table indicated that there were 4,407 total people surveyed. But 719 of those had No Opinion, so 4,407 - 719 = 3,688 did have an opinion. What percentage of those are under 40? The answer is in the first row of the table (18 to 39): 917 of these Approve and 204 of these Disapprove. Therefore 917 + 204 = 1,121 of those showing an opinion are under 40 years of age.

Therefore the percentage of those showing an opinion who are under 40 is Images

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