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American River College *

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299

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Economics

Date

Feb 20, 2024

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docx

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2

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C H . 0.5 E XERCISES (E VEN N UMBERS ): A NSWER K EY Change to a percent. 4. 0.61 = 61% 6. 0.089 = 8.9% 8. 0.325 = 32.5% 10. 7.4 = 740% Change to a decimal. 12. 66% = 0.66 14. 0.62% = 0.0062 16. 175% = 1.75 18. 62.3% = 0.623 Find the following. 20. 7% of 69 = 4.83 22. 25% of 600 = 24 24. 154% of 270 = 415.8 26. 49 is what percent of 28? – 49 28 = 7 4 = 4 7.0 = 1.75 = 175% 28. 12 is what percent of 48? – 12 48 = 1 4 = 4 1.0 = 0.25 = 25% 30. What percent of 35 is 28? – 28 35 = 4 5 = 5 4.0 = 0.8 = 80%
32. Hockey Of 131 shots on goal, 29 went in the net. What percent of the time did one of Staal’s shots on goal result in a goal? (Round to the nearest whole percent). 131 29 = 4 15 29 = 5% 34. CD Failure Music CD’s have a failure rate of 1.8%. If 36,000 CD’s were manufactured last week, how many of them were defective? 36,000 × 1.8% = 36,000 × 0.018 = 648 36. Nonprofit Associations In 2006, there were 23,772 nonprofit associations in the United States. Of these, 2218 were social welfare agencies. What percent of the total nonprofit associations were social welfare agencies? Round your answer to the nearest hundredth of a percent. 2218 23772 = 0.0 93303 = 9.33%
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