100 Students were surveyed and the results were - 42 own a dog
- 34 own a cat
- 15 own a dog and a cat
- 9 own neither a dog nor a cat

Based upon the results, how many of the next 20 students surveyed would you expect to own a dog and a cat

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?