If a cup holds 8 worms and a shop has 72 worms then how many cups do i need? plz me answer this i will give you 82 points and might mark brainliest if the answer is 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.