highlight ess than 20 Suppose that n (U ) = 200 , n(E OF) =194, bers between n(E) =106, and n(En F') = 73. Find each of the following values. 21. n( F) h alphabet 22. n( EnF') 23. n ( En F) 24. n( EUF) 25. n( EnF) 26. n( E'nF) 27. n( E' UF) 28. n(EUF') Answer the following. 29. A survey of 150 families showed that 85 families owned dogs, 68 owned cats and 21 owned both dogs and cats. How many of the families that were surveyed owned: A. Only dogs? B. Only cats? C. Neither dogs nor cats? - 78 30. Two hundred college students were asked Find each of where they buy their lunches. The results showed that 84 students buy their lunches in the food court in the university center, 101 students buy their lunches from a food truck and 28 students buy their lunches from both. Based on the survey, how many students buy lunch: A. Only from the food court