Jason has sixteen books and fifteen magazines in his library. He bought several books at a yard sale over the weekend. He now has ninety-four books in his library. How many books did he buy at the yard sale?

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?