An investment of $101 comma 000 was made by a business club. the investment was split into three parts and lasted for one year. the first part of the investment earned 8% interest, the second 6%, and the third 9%. total interest from the investments was $ 7650. the interest from the first investment was 4 times the interest from the second. find the amounts of the three parts of the investment.

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.