An electrician charges $75 for the first hour of labor and $60 for each additional hour of labor a customer calculates that the electrician charges $225 for the total of 3 1/2 hours of labor is the customer correct

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.