These two questions I do not know where to begin every time I try to the number 28 I keep getting answers that are
more than 83 pizzas. I don't know what I am doing wrong.
28) One weekend, there were 83 pizzas ordered for the sophomore dorm. That weekend 13 customers ordered their pizza with just pepperoni, 15 customers ordered their pizza with just sausage, 20 ordered theirs with just onions, 12 ordered theirs with pepperoni and sausage, 11 ordered theirs with sausage and onions, 14 ordered theirs with pepperoni and onions, and 7 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) 75 B) 27 C) 33 D) 76
29) Dean scored in the 95th percentile rank on an exam. If 500 students took the exam, how many students scored lower than Dean?
A) 473 B) 476 C) 475 D) 474