Dave wants to build a rectangular screened-in porch that is 20 feet long, and it will extend 6 feet out from the back side of his house. Dave sketches a scale drawing of the porch. Choose a reasonable size and scale for Dave's drawing of the porch. How should Dave label the dimensions of the model?

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.