At the beginning of each school year, Madison Middle School orders new shirts for the entire student body. Each student receives one shirt. Each shirt is the same price, [tex]s[/tex], and the school orders enough for [tex]n[/tex] students.

Which equation represents the proportional relationship between [tex]P[/tex], the total price of the shirts, and the number of students?

A. [tex]\frac{1}{n}=P[/tex]
B. [tex]s \cdot n = P[/tex]
C. [tex]s + n = P[/tex]
D. [tex]\frac{n}{3}=P[/tex]



Answer :

To find the equation that represents the proportional relationship between [tex]\(P\)[/tex], the total price of the shirts, and the number of students [tex]\(n\)[/tex], we need to consider how the total price is determined.

Each student receives one shirt, and each shirt costs [tex]\(s\)[/tex] dollars. Therefore, the total cost for the shirts for all the students can be found by multiplying the number of students [tex]\(n\)[/tex] by the price per shirt [tex]\(s\)[/tex].

Thus, the total price [tex]\(P\)[/tex] can be calculated using the following equation:
[tex]\[ P = s \times n \][/tex]

Now, let's review the provided options to identify which one matches this relationship:

A. [tex]\(\div \frac{1}{n}=P\)[/tex] – This option does not make sense in terms of forming an equation involving total price.

B. [tex]\( s n = P \)[/tex] – This exactly matches our derived equation.

C. [tex]\( s + n = P \)[/tex] – This implies adding the price of one shirt and the number of students, which doesn't correctly represent the cost.

D. [tex]\(\frac{n}{3}=P\)[/tex] – This implies dividing the number of students by 3, which doesn't align with calculating the total price.

The correct answer is:
[tex]\[ B. \, s n = P \][/tex]