Billy lost a bet and had to take all of his buddies out to eat at their favorite restaurant. He ordered 25 food items and his bill was $66. If the hamburgers cost $3 and the hot dogs cost $2, how many of each did he buy?

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.