Subtract the following numbers and use the checking method to make sure your answer is correct. (Copy carefully on
scratch paper to work the problem.)
3 7 5
- 2 4 1
+
a3
a4
a5

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.