To celebrate ratios, Mrs. Johnson’s class will make pizzas. Julio is in charge of bringing in the sauce. There are 30 students in his class and each pizza serves 8.

On a coordinate plane, a graph titled Pizza Recipe has Pizzas on the x-axis and Cups of Pizza Sauce on the y-axis. Point A is (3, 2), point B is (4, 2.6), point C is (4.5, 3), point D is (6, 4).

Which point should Julio use to determine the amount of pizza sauce he needs to bring?
A
B
C
D

The answer is B (4, 2.6)

Step-by-step explanation:

It is given that,

on a graph, pizzas are on the X-axis and cups of pizza sauce are on the

Y-axis.

And, there are 30 students in the class and each pizza serves 8 students.

Actually, Jullo can chose any number of cups of pizza sauce. The number of sauce cups is not a problem.

But as the cups of pizza sauce are linked with number of pizza in the co-ordinate points A (3, 2), B  (4, 2.6), C (4.5, 3), D (6, 4), the problem lies in choosing the correct set.

The number of pizza taken must be sufficient for all the 30 students.

As each pizza serves 8 students,

number of pizzas required for 30 students = = 3.75 pizzas.

Here there are 3 points which are having more than 3.75 pizzas. They are B (4, 2.6), C (4.5, 3), D (6, 4).

Now Jullo has to choose the best point among these 3 to get maximum number of pizza cups.

The point which has more sauce cups for each pizza is the best point.

sauce cups for each pizza =

Point B (4, 2.6) sauce cups for each pizza = = 1.538 sauce cups for each pizza.

Point C (4.5, 3) sauce cups for each pizza = = 1.5 sauce cups for each pizza.

Point D (6, 4)  sauce cups for each pizza = = 1.5 sauce cups for each pizza.

Hence, point B (4, 2.6) is the best as it gives 1.538 sauce cups for each pizza.

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