sat suite question viewer
Algebra
Difficulty: Easy
A total of people contributed to a charity event as either a donor or a volunteer. people contributed as a donor. How many people contributed as a volunteer?
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Explanation
Choice A is correct. It’s given that a total of people contributed to a charity event as either a donor or a volunteer. It’s also given that people contributed as a donor. It follows that , or , people contributed as a volunteer.
Choice B is incorrect. This is the number of people who contributed as a donor, not a volunteer.
Choice C is incorrect. This is the total number of people who contributed as either a donor or a volunteer, not the number of people who contributed as a volunteer.
Choice D is incorrect and may result from conceptual or calculation errors.