The graph shows the cost of lotion C, represented by line C, and the cost of lotion D, represented by line D. Based on the graph, what is the cost per ounce of lotion C?

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.