the bookstall Inc is a specialty book store concentrating on used books sold via the internet. Paperbacks are $1.55 each and hard cover books are $4.85 of the 60 books sold last tuesday morning. 40 were paperback and the rest were hard cover . What was the weighted mean price of a book ? Round your answer to decimal places

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655