Gloria’s car payment increased from $240 per month to $275 per month. What was the percent increase? (Round Percentage to the nearest tenth) If you're answering can you explain how u got ur answer please

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.