for a bake sale Helen made cookies and brownies the cookies sold 95 cents and the brownies sold for 60 cents if she bakes if she baked 31 items that sold for $23.85,how many of each dessert did she sell

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?