| Data Sufficiency Butler: June 2026 |
| June 8 | DS 1 | DS 2 |
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DS 1 At a professional conference, two optional events were offered: a product demo and a networking breakfast. If 70% of the attendees registered for the product demo and 25% of the attendees registered for both events, how many attendees registered for neither event?
(1) 30 attendees registered for the networking breakfast but not for the product demo.
(2) 150 attendees did not register for the networking breakfast.
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DS 2 A school equipment closet contains only red, blue, and gray practice jerseys, with different numbers of jerseys of each color. If the closet contains 90 jerseys in total, with at least 20 jerseys of each color, are there more red jerseys than blue jerseys?
(1) The number of red jerseys is 2/7 of the total number of blue and gray jerseys.
(2) The total number of red and blue jerseys is equal to the number of gray jerseys.