PERCENTS ARE RATIOS PROBLEMS (2) To see the answer, pass your mouse over the colored area.
19. for $27. 19. a) How much do you save? $9.00 19. b) How much do you pay? $18.00 10. A jacket that usually sells for $48 has been marked down 25%. 11. A CD that used to sell for $16 now cost 10% more. What do you 12. David got a 20% raise. His old salary was $450 a week. What is his
13 a) .must it decrease the new price in order to restore the original? 13 a) .(Compare Example 4.) 25%
13 a) .must it increase the new price in order to restore the original? 50% 14. Calculator problems. 13. a) Marcia's salary was $32,500 a year, and she got a 4½% raise. 14. b) In 1990, the population was 26,000. In 2000, it had decreased by 14. c) A belt sells for $24.95, and the tax is 8¼%. What is the total cost 14. d) Chris bought a stock for $16.42. When he sold it, the price had Estimations Choose the best answer for each of the following. 15. 24 Answers: $9 $98.20. 24 16. 243% of $403 Answers: $9 $982. 243% is a close to 250%, which is two and a half times. 17. 19 Answers: $1,020 $102 $10 $10.20. 19 18. 27 is what percent of 50? Answers: 11% 45% 53% 76% 53%. 27 is a little more than half of 50. 19. 19 is what percent of 60? Answers: 10% 20% 30% 40% 30%. 19 is a bit less than a third of 60. 20. What percent of 6 is 20? Answers: 30% 150% 250% 300% 300%. 20 is close to three times 6. 21. What percent of 42 is 5? Answers: 800% 900% 12% 15% 12%. 5 is an eighth -- 12 Continue on to the next Lesson. or Return to the previous section. Copyright © 2018 Lawrence Spector Questions or comments? E-mail: themathpage@yandex.com Private tutoring available. |