John's room is shaped like a box. it has a flat ceiling that is a rectangle that is 12 feet long and 10 feet wide and the walls are 7 feet high. it has one door that is 6 feet high and 3 feet wide. it has two windows that are each 5 feet high and 42 inches wide. john wants to paint the walls and ceiling, but not the door or windows. he can paint 100 square feet with a quart of paint and paint costs $3.00 per quart. he has to buy whole quarts and may have some paint left over. it will cost john how much to paint his room?

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.