Answer :
total tickets sold = 520
Adult tickets = 2.25*child tickets
so, 2.25 child tickets + child tickets = 520
no of child tickets = 520/3.25 = 160
no of adult tickets = 160*2.25 = 360
total revenue = 160*3+360*8
= 480+ 2880
=$3360
Adult tickets = 2.25*child tickets
so, 2.25 child tickets + child tickets = 520
no of child tickets = 520/3.25 = 160
no of adult tickets = 160*2.25 = 360
total revenue = 160*3+360*8
= 480+ 2880
=$3360