In a sample of 100 randomly selected concert attendees, the concert organizers find that 11 of them left the show early. the concert originally had 2,040 attendees.

a. use proportional reasoning to estimate how many of the total number of attendees left the concert early.

b. suppose there are 3 concerts at this hall next week, and the total attendance will be 5,500. use a percent expression to predict the number of these attendees who will leave a concert early next week.

Can any one me with the answers to these questions asap?

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy