At the beginning of the school year, Jayden's mother put $80 in his cafeteria account. Each time Jayden orders lunch, it deducts $2.75 from his account balance.

Step-by-step explanation:

Given

Required

Model the situation using an equation

Represent the number of orders with n

Represent the balance with y

y is calculated as:

We used minus because the amount is being deducted

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.