Mr. ishak is going to make a soil mixture of a potted plant. he will come by 21 ounces of dirt, 17 ounces of peat moss, and 9 ounces of perlite. which shows the total weight of the soil mixture

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.