medium · GMAT Quantitative Reasoning
In a survey of 200 people, 60% prefer Coffee A and 40% prefer Coffee B. Of those who prefer Coffee A, 15% are over the age of 50; of those who prefer Coffee B, 25% are over the age of 50.
How many surveyed people are over 50 and prefer either Coffee A or Coffee B?
- 80
- 38
- 50
- 20
- 40
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