A researcher is studying the effects of an anti-bacterial compound on a bacterial culture. The bacterial culture consists of 6.2 x 10^7 bacteria. After applying the anti-bacterial compound, 9.3 x 10^5 of the bacteria are destroyed. About how many of the bacteria are left

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.