The double number line below shows the number of students in Mr. Fulton's class. It shows the number of students that represents 40 percent of students in Mr. Fulton's class. How many students are in Mr. Fulton's class?

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?