The design of a digital box camera maximizes the volume while keeping the sum of the dimensions at 4.5 inches. if the length must be 1.5 times the height, what should each dimension be? hint: let x represent one of the dimensions, then define the other dimensions in terms of x.

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.