Image below and problem

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.

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

Cavaliers principle states that two solids with equal heights and cross-sectional volumes at every level have equal areas.