Question 8 1 pts 8) Upon examining the contents of 38 backpacks, it was found that 23 contained a black pen, 27 contained a blue pen, and 21 contained a pencil, 15 contained both a black pen and a blue pen, 12 contained both a black pen and a pencil, 18 contained both a blue pen and a pencil, and 10 contained all three items. How many backpacks contained EXACTLY TWO of the three writing instruments? C)2 D)11 B)15 A)3 Question 9 1 pts 9) In a survey of 26 college students it was found that 14 were taking an English class, 18 were taking a math class, and 8 were taking both English and math. How many were taking a math class only? A)2 B)10 C)12 D)20 Question 10 1 pts 10) In a survey of 24 instructors, it was found that 18 liked whiteboards, 9 liked blackboards, and 5 liked both. How many instructors did not like white boards? D)11 B)2 O 99 C)6 A)4 Question 11 1 pts 11) In a group of 47 children, 23 had a dog, 16 had a cat, and 9 had both a dog and a cat. How may children had neither a dog nor a cat as a pet? D)17 A)24 B)7 C)33 Question 12 1 pts 12) One weekend, there were 86 pizzas ordered for the sophomore dorm. That weekend 19 customers ordered their pizza with just pepperoni, 18 customers ordered their pizza with just sausage, 14 ordered theirs with just onions, 16 ordered theirs with pepperoni and sausage, 13 ordered theirs with sausage and onions, 15 ordered theirs with pepperoni and onions, and 6 ordered theirs with all three items. How many customers ordered their pizza with pepperoni or sausage (or both)? C)69 B)10 D)37 A)53 A) 53 B) 10 C) 69 D) 37 Question 13 1 pts 13) One weekend, there were 65 pizzas ordered for the sophomore dorm. That weekend 12 customers ordered their pizza with just pepperoni, 11 customers ordered their pizza with just sausage, 17 ordered theirs with just onions, 5 ordered theirs with pepperoni and sausage, 8 ordered theirs with sausage and onions, 7 ordered theirs with pepperoni and onions, and 2 ordered theirs with all three items. The remaining pizzas were cheese pizzas with no toppings. How many customers ordered at most two toppings on their pizza? A) 63 B) 60 C) 20 D) 25 B)60 D)25 A)63 C)20 14) In a survey of 22 college students it was found that 12 were taking an English class, 11 were taking a math class, and 2 were taking both English and math. How many were taking a math class only? C)12 D)25 B)1 A)9 69 > Question 15 1 pts 15) In a group of 29 children, 10 had a dog, 18 had a cat, and 8 had both a dog and a cat. How may children had neither a dog nor a cat as a pet? C)9 B)19 D)27 A)10