1.4 Percent Applications

1.4 Percent Applications - 12. What is 15% more than 15?...

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1.4 Applications with Percents Percent means per hundred; thus, n% means  n / 100  or n x  1 / 100  or n x .01.  Converting from a percent to a  decimal means to divide by 100 or move the decimal point two places to the left (away from the percent  symbol).  To convert from a decimal to a percent, multiply by 100 or move the decimal two place to the right  (toward the percent symbol).  When solving percent problems, key words are  “of”  (multiply or times),  “what”  (variable),  “is”  or other verb (=),  “%”  ( 1 / 100  or .01). Remember:  100% = 1 = the whole. Convert to decimal notation: 1. 15.3% 2. 6.5% 3. 0.6% 4. 238% Convert to percent notation: 5. 0.625 6. 0.038 7. 5.38 8. 3 / 8 Solve: 9. What is 8% of 62? 10. 42 is what percent of 56? 11. 0.5 is 8% of what number?
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Unformatted text preview: 12. What is 15% more than 15? 13. To get a C for this course, you must earn 70% of 800 points. How many points do you need for a C? What is 70% of 800? 14. In a study of 300 pregnant women with poor diets, only 24 had babies with good or excellent health. What percent of the women had healthy babies? 24 is what percent of 300? 15. A tax-exempt business received a bill for $159.75, which included 6.5% sales tax. What is the correct amount of the bill? $159.79 is 106.5% of what amount? 16. Clarise is offered a job at a company with a 25% increase in salary over her current salary of $12/hour? What is 25% more than $12? or What is 125% of $12?...
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1.4 Percent Applications - 12. What is 15% more than 15?...

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