Bonnie has set of 40 tiles that she bought while traveling in south africa. what is the largest frame size (on each side) that she can make with these. tiles? will she use all of her tiles?

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.