Mathematics March 5, 2021 Read the instructions properly and answer the questions USING PERCENT EQUATIONS The circle graph shows the number of votes received by each candidate during a school election. Find the percent of students who voted for the indicated candidate. (See Exploration 1, p. 247.) 10. Candidate A 11. Candidate B 12. Candidate C USING THE PERCENT EQUATION Write and solve an equation to answer the question. 13. 20% of 150 is what number? 14. 45 is what percent of 60? 15. 35% of what number is 35? 16. 0.8% of 150 is what number? 17. 29 is what percent of 20? 18. 0.5% of what number is 12? Votes Received by Each Candidate Candidate A 54 Candidate B 60 Candidate C 36
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The Math Society is holding its annual election for president. The three candidates are A, B, and C. Ten percent of the voters like B the most and C the least. Thirty-five percent of the voters like A the most and B the least. Of the remaining, 750 prefer C to B and B to A, and 2000 prefer C to A and A to B. Write out the preference schedule for this election. Fill in all the spaces. What was the total number of voters? (6 points) Percentage Number of Voters 1st place 2nd place 3rd place TOTAL NUMBER OF VOTERS:
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4. The circle graph shows the results of a survey in which children ages 8 to 12 were asked whether they have a television in their bedroom. Predict how many out of 1,725 students would not have a television in their bedroom. You can use the percent equation and the survey results to predict what part p of the 1,725 students have no TV in their bedroom. part = percent · whole p = 0.54 · 1,725 Survey results: 54% p = 931.5 Multiply. About 932 students do not have a television in their bedroom. Got It? Do this problem to find out. c. Refer to Example 4. Predict how many out of 1,370 students have a television in their bedroom.
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