Below, create your own expression that meets these requirements: 1) Your expression needs 2 terms
2) one term should be a constant
3) one term should have a coefficient

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.