Overlapping Sets

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Overlapping Sets

by swerve » Sun May 12, 2024 8:53 am

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Your Answer

A

B

C

D

E

Global Stats

All but \(4\) of the counselors on staff at a certain summer camp have sailing certification, first aid certification, or both. Twice as many counselors have neither certification as have both certifications, and \(7\) counselors have sailing certification. If there are a total of \(22\) counselors on staff, then how many of the counselors have first aid certification?

A. \(9\)
B. \(13\)
C. \(15\)
D. \(22\)
E. \(23\)

The OA is B