Using proportions, supposing their parents gave each of them $10 and each pizza costs $12, it is found that the maximum number of pizzas they can order to stay within their budget is of 4.
A proportion is a fraction of a total amount.
In this problem, we suppose that each of the five people got $10, hence they combined to get $50, as 5 x 10 = $50.
Also supposing that each pizza costs $12, we have that:
50/12 = 4.17.
Hence, the maximum number of pizzas they can order to stay within their budget is of 4.
More can be learned about proportions at https://brainly.com/question/24372153
