Lexi is buying a scrapbook and sheets of designer paper. She has $50 and needs at least $28.25 to
buy the scrapbook. Each sheet of paper cost $0.23. How many sheets of paper can she buy?

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

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