WHAT PERCENT? PROBLEMS To see the answer, pass your mouse over the colored area. 11. 28 out of 100 students got A. 11. a) What percent got A? 28% 11. b) What percent did not get A? 72% 12. 81 students in the class were brunettes, 14 were blondes, and 5 were 12. a) What percent were brunettes? 81% 12. b) What percent were blondes? 14% 12. c) What percent were red-heads? 5% 13. a) 32 out of 100 people responded Yes. What percent responded 13.
b) 32 out of 200 people responded Yes. What percent responded 13.
c) 32 out of 50 people responded Yes. What percent responded The Method of Proportions: Fourth term 100 4. a) Why is this a proportion (or, why are these fractions equivalent)?
11 is the fourth part of 44, just as 25 is the fourth part of 100. 14. a) 11 is what percent of 44? 25% 14. b) Why is this a proportion?
100 is two times 50, and 18 is two times 9. 14. a) 9 is what percent of 50? 18% 14. c) Why is this a proportion?
100 is half of 200, and 4 is half of 8. 14. c) 8 is what percent of 200? 4% 15. Write each of the following as a percent.
16. Out of a class of 25 students, 4 were absent. What percent were 16. What percent were present? 84% 17. Jennifer had $50 and she spent $49. What percent of her money did 17. What percent does she have left? 2% 18. A team played 20 games and won 17 of them. What percent did 18. What percent did they lose? 15% 19. In a survey of 200 people, 84 responded Yes. What percent 10. In a survey of 200 people, 85 responded Yes. What percent 11. 128 out of 400 students took French. What percent took 12. 129 out of 400 students took French. What percent took 13. 500 people recently
voted, and 325 voted No. What percent voted
14. 500 people recently
voted, and 328 voted No. What percent voted
15. In a survey of 1000 students, 682 said that they did. What percent 16. In a later survey of 1000 students, 846 said that they did. What Continue on to the next section. or Return to the previous section. Please make a donation to keep TheMathPage online. Copyright © 2001-2007 Lawrence Spector Questions or comments? E-mail: themathpage@nyc.rr.com |