Two square pyramids have the same volume. for the first pyramid, the side length of the base is 15 in., and the height is 18 in. the second pyramid has a height of 54 in. what is the side length of the base of the second pyramid?

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.