Mark is earning money by mowing lawns over the summer. The function y = 40x represents the total number of dollars Mark earns, y, depending on the number of lawns he mows, X.

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.