Match each expression with an equivalent expression

12r+t - 4r+6t

(12r+2t) - (4r+10t)

12 (r+t) - 6 (r+t) +4(r+t) - 2 (r+t)

Answers to choose from
8 (r-t)
14r-14t
8(r+t)
16r+8t
8r+7t

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.