The cost of eight stress balls and five t-shirts is $111.75. the cost of twelve stress balls and four t-shirts is $102.00. what is the cost of one t-shirt? (a) $9.75 (b) $12.50 (c) $17.75 (d) $18.25 (e) $18.75

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.