On a 28-question test, there are 2-point questions, 4-point questions, and 5-point questions. the test is worth a total of 100 points. there are twice as many 2-point questions as 5-point questions on the test. how many 2-point questions are on the test? 4 8 12 16

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?