venn diagram

A pizza parlor recorded the * 1 point following sales on a Tuesday. How many of the customers did not buy pepperoni? pepperoni hawaiian 13 5 18 O 22 O 27 O 23 18 How many customers bought * 1 point only one pizza flavor on that particular Tuesday? pepperoni hawaiian 13 5 18 O 31 O O 13 Out of 60 students surveyed, * 1 point 25 are enrolled in Chemistry, 18 in Physics, and 7 in neither of these two subjects. How many students are enrolled in both subjects? 5 O 7 10 O 17