Abounce house is rented at $400 per day plus a charge per hour of use. the bounce house was used for 6 hours one day, and the total charge was $950. which equation can be used to find the charge x, in dollars, per hour of use?

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.