Ms. davis teaches jewelry making at the community college. each of her 25 students will need 1 feet of leather cord to make necklaces. the cord is sold in 5-foot spools, and she cannot purchase a partial spool. which equation would provide the best estimate of how many spools of cord she needs to buy? = 5.4 = 10 = 15 = 62.5

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.