math 118 written homework chapter 2 questions 14, 15, and 16 help!

14. One morning in a coffee shop, of 92 customers 63 order coffee, 45 order a pastry and 32 order both. How many customers don't order any of these two? Hint: use a Venn Diagram. 15. Let n(U) = 76, n(A - B) = 27, n(A') = 24, n(A'n B') = 15. Find n(An B). Fill in all areas of the Venn Diagram. A B 16. At Garfield High, 18 students take Algebra but not Biology, 24 students take Biology but not Algebra and 51 students take at least one of these subjects. How many students take both French and Algebra