Percentages SAT question

Math · Problem-Solving and Data Analysis · Easy · Answer it here, explanation included.

The figure presents a 2-column table, with 6 rows of data, titled “Where Do People Get Most of Their Medical Information?” The heading for the first column is “Source,” and the heading for the second column is “Percent of those surveyed.” The 6 rows of data are as follows.
Row 1. Doctor, 63 percent.
Row 2. Internet, 13 percent.
Row 3. Magazines / brochures, 9 percent.
Row 4. Pharmacy, 6 percent.
Row 5. Television, 2 percent.
Row 6. Other / none of the above, 7 percent.

The table above shows a summary of 1,200 responses to a survey question. Based on the table, how many of those surveyed get most of their medical information from either a doctor or the Internet?

ExplanationShow

Choice C is correct. According to the table, 63% of survey respondents get most of their medical information from a doctor and 13% get most of their medical information from the Internet. Therefore, 76% of the 1,200 survey respondents get their information from either a doctor or the Internet, and 76% of 1,200 is 912.

Choices A, B, and D are incorrect. According to the table, 76% of survey respondents get their information from either a doctor or the Internet. Choice A is incorrect because 865 is about 72% (the percent of survey respondents who get most of their medical information from a doctor or from magazines/brochures), not 76%, of 1,200. Choice B is incorrect because 887 is about 74%, not 76%, of 1,200. Choice D is incorrect because 926 is about 77%, not 76%, of 1,200.

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Percentages SAT question

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