Question

Beth uses her student account to purchase lunch from the cafeteria at school. Beth's mom adds money to her student account at the start of the school year.
There is a linear relationship between the number of lunches Beth purchases and her student account balance.
Purchased lunches Balance
0 $80
5 $60
10 $40
Describe the rate of change for this relationship.
Beth's student account balance
by
per lunch she purchases.

Answer 1

Beth's student account balance decreases by $4 per lunch she purchases.