2. Sally makes $500 a week and her weekly salary is taxed 20%. How much is her weekly take- home salary? 3. Linda borrowed $1000 from her friend and agreed to repay her in a year with 5% interest. How much will Linda pay her friend after one year if she makes good on the agreement? 5. Among 800 freshmen at a college, 530 of them own a car. What percent of freshmen at the college have a car? 6. You drove 15,000 miles during 2009. 8000 of those miles were on the highway. What percent of your driving during 2009 was on the highway? 7. An ice cream truck vendor sold 8 gallons of ice cream a day during the summer of 2008. In the summer of 2009 he only sold 7 gallons a day. What percent did his sales decrease? 9. A pair of pants is on sale, with a 10% discount, for $30. What is the price before it was on sale? 11. Your monthly rent was $850 during 2011. It will increase by 5% each year for the next two years. How much will your monthly rent be in 2013? 12. You bought $50 worth of stock. It went up 10% in the first month and then down 10% in the second month. How much was your stock worth by the end of the second month