 
<translate> Bari X ya zama farashin tikitin balagagge. Saboda haka kudin tikitin yaro shine X - 6. Jimlar kuɗin tikiti 5 shine X * 2 + 3 * (X - 6) = 77. X * 2 + 3 * X - 3 * 6 = 77. 5 * X - 18 = 77. 5 * X = 77 + 18 = 95. X daidai da 19. Amsar ƙarshe: 19. <eng> Let X be the cost of an adult ticket. So the cost of a child ticket is X - 6. The total cost of the 5 tickets is X * 2 + 3 * (X - 6) = 77. X * 2 + 3 * X - 3 * 6 = 77. 5 * X - 18 = 77. 5 * X = 77 + 18 = 95. X = 19.
The final answer: 19. 