Question

30 friends are coming to my house for a cookout. 16 of them want hot dogs, 16 of them want burgers, and 11 of them want salad. 5 say they want to have both hot dogs and salad, and of these, 3 want burgers as well. 5 want only salad, and 8 want only burgers. how many people want hot dogs only? a3 b4 c16 d7 e 11 f 5

Answer 1

16 want burgers and 11 want salads, 11+16=27, 30-27=3, a3

Answer 2

11-5-5=1
16-3-8=5
16-5=11
5+5+3+8+5=26
30-26=4
=D 4