There are 165 adults and 280 children at a zoo. The zoo makes a total of $6,610 from the entrance fees, and the cost of an adult and a child to attend is $31, how much does it cost each for a parent and a child? Let a represent an adult.
Let c represent a child.

Enter a system of equations to represent the situation, then solve the system.

The system of equations is .

The adult tickets cost $
and the child tickets cost $
.