robin is making bows to sell at her mother's yard sale she will use 3/4 foot of red ribbon and 2/3 foot of blue ribbon to make each bow. what is the ratio of the length of red ribbon to blue ribbon written as a unit rate?

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.