Britta brought some carrots and apples for $24.80. a carrot and apple cost $0.90 altogether. she brought more carrots than apples. the cost of extra number of carrots was $6.80. how many apples did britta buy?

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.