Suppose that a store offers gift cards in denominations of $17 and $27. use induction (strong or not) to to prove that any amount greater than or equal to $458 can be obtained with combinations of the gift cards.

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.