The ratio between the child tickets to adult tickets is 8 : 1
The child tickets are more by 147
Let us use the ratio method to solve the question
Child : Adult : difference
8 : 1 : 7 (8 - 1)
x : y : 147
By using cross multiplication
Divide both sides by 7 to find x
Divide both sides by 7 to find y
The total number of tickets = 168 + 21 = 189
The total number of tickets is 189