RATIO AND PROPORTION 2 PROBLEMS (2) To see the answer, pass your mouse over the colored area.
12. In a class, 3 out of 5 students are girls; there are 30 students; how 13. In a survey, 7 out of 8 people answered No; 168 people were 14. In the sophomore class, there are 630 students. 2 out of 3 have a 15. A company employs 450 people, and 7 out of 10 are women. How Percent: Ratio to 100 16. Express each ratio as a percent.
17. a) How do you know this is a proportion?
11 is the fourth part of 44, just as 25 is the fourth part of 100. 15. a) 11 out of 44 is what percent? 25% 15. b) How do you know this is a proportion?
Two times 50 is 100, and two times 9 is 18. 15. a) 9 out of 50 is what percent? 18% 15. c) How do you know this is a proportion?
Half of 200 is 100, and half of 8 is 4. 15. a) 8 out of 200 is what percent? 4% 18. Complete each proportion. In each case, the 1st term is what
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