# Question

A total of 28 percent of American males smoke cigarettes, 7 percent smoke cigars, and 5 percent smoke both cigars and cigarettes.

(a) What percentage of males smokes neither cigars nor cigarettes?

(b) What percentage smokes cigars but not cigarettes?

(a) What percentage of males smokes neither cigars nor cigarettes?

(b) What percentage smokes cigars but not cigarettes?

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