SOLVE WITHOUT ARTIFICIAL INTELLIGENCE At a children's party, the kids were asked about their ice cream flavor preferences, and the following results were obtained: 9 want chocolate, vanilla, and strawberry; 12 want strawberry and vanilla, 13 want chocolate and strawberry, 15 want chocolate and vanilla, 18 want only strawberry, 26 want only vanilla, 29 want only chocolate, and 8 want other flavors. a) How many children were at the party? b) How many want to try only one flavor? c) How many children do not want vanilla?