The library has 2,000 books for sale. the books are sorted into nonfiction, fiction, and children's books. the children's books number 500. also, there are 200 more fiction books than nonfiction books. how many fiction books and nonfiction books are for sale in all? , explain all the directions on how you got your answer.

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.