Evelyn has 80 pens in a drawer. 15 pens are black and the other pens are blue.
Evelyn picks a pen at random from the drawer.
(a) What is the probability that Evelyn picks a black pen?
(b) What is the probability that Evelyn picks a blue pen?

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

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.

At 6 1/2 cents per pound of string beans how much does 7 pounds cost