4.18: t V I have a rectangular living room that is 24 feet long and 16 feet wide. I want to buy a carpet that costs $2.50 per square foot, and I want to leave a 2 foot margin between the carpet and the wall all the way around the room. How much will the carpet cost? Type your solution, notes and/or work here. Show Solution 4.19: t V E What is the number of square units enclosed by the figure ABCDE? Type your solution, notes and/or work here. Show Solution