During a sale at the bookstore, books sold for 3$ and magazines for $2.50. Jan spent 16$ and bought a total of 6 books and magazines. How many of each did she buy? Use try check and revise.

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.