EBS literacy problem where all the cast members are wrong

(1)Next is the discount system for KTX trains How much should a couple with two middle school children pay for a round-trip ticket between Seoul and Busan
(2)Discount rate 30 discount on adult fare when used by at least 3 adult members of the family
(3)one-way fare from Seoul to Busan
(4)a normal rate
(5)a 30 discounted rate of 30
(6)This is the problem the cast is biting
(7)You’re the literacy
(8)Next is the discount system for KTX trains How much should a couple with two middle school children pay for a round-trip ticket between Seoul and Busan
(9)Discount rate At least 3 adults included in the family
(10)30 discount on adult fare when using
(11)Seoul-Busan convenience fare
(12)a discount rate of 30
(13)You’re the literacy
(14)Next is the discount system for KTX trains two middle school students
(15)How much do I have to pay for murmuringA couple with children can get a round-trip ticket from Seoul to Busan
(16)Discount rate 30 discount on adult fare when used by at least 3 adult members of the family
(17)30 Discount Fee W35000
(18)your problem
(19)Next is the discount system for KTX trains A couple with two middle school children
(20)How much should I pay to buy a ticket between Seoul and Busan
(21)30 Discount Fee 35000
(22)No one got it right