George brought a shirt and a pair of pants at a clothing store. the pants cost $5.57 more than the shirt, and he used a $10 off coupon to purchase the shirt. the equation below is used to determine the cost of the shirt before the coupon, s.

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.