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?

Question

Mathematics

Jaden Jenkins

3 May, 14:56

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?

+5

Answers (2)

Know the Answer?

Olive Powell · Answer 1

(a) By drawing a Venn diagram, it can be seen that the percentage of males that smoke neither cigarettes nor cigars is:

100 - (23 + 5 + 2) = 70%.

(b) Also from the Venn diagram, we can see that the percentage that smoke cigars but not cigarettes = 2%.

Isla Wang · Answer 2

A - 60%

b - 9.5%

for a you add them then subtract from 100