Park Crest Middle School has a population of about 400 8th graders. Park Crest is one of several middle schools in a state which has a total of 806,240 8th graders. Use powers of ten to estimate about how many times greater the state’s population of 8th graders is compared to the number of 8th graders at Park Crest Middle School. Answers:
A) 2x10^-3
B) 2x10^-2
C) 2x10^2
D) 2x10^3

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.