The carson family paid $192 for two adult and three youth tickets to an amusement park. at the same park, the davis family paid $148 for one adult and four youth tickets. let x represent the cost of an adult ticket, and let y represent the cost of a youth ticket. which system of equations can be used to find ticket cost

Lian is deciding which of two gyms to join. each gym charges a monthly rate plus a one-time membership fee. lian correctly wrote and solved a system of linear equations by substitution to compare the costs of the memberships. in her work, she substituted an expression for one variable and solved for the other. this resulted in the equation 75 = 75. what can lian conclude? one gym charges $75 per month. each gym charges $75 per month both gyms charge the same monthly rate and the same membership fee. both gyms charge the same monthly rate, but not the same membership fee.