Solve the problem.In a survey of 53 hospital patients, 23 said they were satisfied with the nursing care, 22 said they were satisfied with the medical treatment, and 5 said they were satisfied with both. How many patients were satisfied with neither? How many were satisfied with only the medical treatment?
A. 18; 22
B. 18; 17
C. 13; 17
D. 13; 22
Answer: C
Mathematics
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