1/2 of the visitors at a fun fair were children and the rest were adults. 3/4 of the adults were women. There were 80 more children than women.
(a) How many of the visitors were children?
(b) How many of the visitors were adults?
x/2 - 80 = 3x/8
x = 640
Children = 320
Adults = 320 (Women = 240 Men = 80)