Answer:
Parents pay $595 for a primary child and $620 for a toddler child every month.
Explanation:
Let x be the monthly fee of a primary child and y be the monthly fee of a toddler child.
The Smart Growing Preschool has 22 children in the primary class and 18 children in the toddler class. The revenue form Smart Growing Preschool is $24,250.
.... (1)
The other location has 30 children in the primary class and 15 children in the toddler class. The revenue at this location is $27,150.
.... (2)
On solving (1) and (2) by graphing calculator, we get


Therefore parents pay $595 for a primary child and $620 for a toddler child every month.