Aster sells used cars. She earns no base pay, but is paid a commission of 25% for each car sold wich can be modeled by the equation y=0.25x, where x represents the total dollar amount of car sales. What is the meaning of the x-intercept in the equation?

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.