Winners from last weeks math problem, and the new problem of the week

Attributions: 

Favorite Subjects

When Josh takes a survey of his 28 classmates, he gets the following results:

  • 14 like English class
  • 19 like Science class
  • 16 like Math class
  • 13 like English and Science class
  •   7 like Science and Math class
  •   5 like Math and English class

How many students like all English, Science and Math?