Question

Mr. Barresi is ordering pizzas for a team party. He knows that 7 pizzas will feed 25 students. If 300 students are attending the party, how many pizzas should he order?

(EXPLAIN YOUR WORK)

Answer 1

Divide 300 by 25 and multiply with 7.

300/25 x 7 = X

Answer 2

The answer to your question is "it is necessary to order 85 pizzas to feed 300 students"

Explanation:

Data

7 pizzas feed 25 students

? pizzas feed 300 students

To solve this problem use proportions

We know:

7 pizzas ------------------ 25 students

x pizzas ----------------- 300 students

Solve using cross multiplication

x = (300 x 7) / 25

Simplification

x = 2100 / 25

Result

x = 85 pizzas