SOLUTION: 16. 30 people are having lunch at my house. 16 of them want salads, 16 of them prefer pasta, and 11 of them want steak. 5 say they want to have both salad and steak, and of the

Algebra ->  Geometry-proofs -> SOLUTION: 16. 30 people are having lunch at my house. 16 of them want salads, 16 of them prefer pasta, and 11 of them want steak. 5 say they want to have both salad and steak, and of the      Log On


   

Question 65360: 16. 30 people are having lunch at my house. 16 of them want salads, 16 of them prefer pasta, and 11 of them want steak. 5 say they want to have both salad and steak, and of these, 3 want pasta as well. 5 want only steak, and 8 want only pasta. How many people want salad only?

a)3
b)4
c)16
d)7
e)11
f) 5




15. 500 students are enrolled in at least two of these three classes: Math, English, and History. 170 are enrolled in both Math and English, 150 are enrolled in both History and English, and 300 are enrolled in Math and History. How many of the 500 students are enrolled in all three?

a)300
b)330
c)200
d)120
e90
f 60

Answer by 303795(602) About Me  (Show Source):
You can put this solution on YOUR website!
7 want only salad.

60 do all three