- - - - - - -_to_a_charity_event_as - - ~ A total of 165 people contributed either a donor or a volunteer. 130 people contributed as a donor. How many people contributed as a volunteer?
Correct answer: A (parsed from the explanation — this source omits an answer key for this item)
Explanation
165 Choice A is correct. It’s given that a total of people contributed to a charity 130 event as either a donor or a volunteer. It’s also given that people contributed 165-130 35 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.
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