The theater sells three types of tickes: general admission, senior citizen, and child. Mark bought 9 general admission, 2 senior citizen, and 3 child tickets and paid $170. Sarah bought 5 general admission, 4 senior citizen, and 7 child tickets and paid $173. Kyle bought 4 general admission, 1 senior citizen, and 6 child tickets and paid $116.50. Find the cost of each type of ticket: General admission: Senior citizen: Child: Solving Three Variable Systems