Daniela has $50 leftover this week and she wants to contribute to a charitable cause. With $5, Daniela can feed one homeless person one meal. With $10, she can provide shelter for one homeless person for one night. What is the opportunity cost of Daniela using all of her money to shelter homeless people?

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

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