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5.5 Problem Set341Problem Set 5.5A B Solve each of these problems using the method developed in this section. [Examples 1–3]1. Salary Increase If a person earns $23,000 a year andgets a 7% increase in salary, what is the new salary?$24,6102. Salary Increase A computer programmer’s yearly incomeof $57,000 is increased by 8%. What is the dollar amountof the increase, and what is her new salary?$4,560; $61,5603. Tuition Increase The yearly tuition at a college is presently$6,000. Next year it is expected to increase by17%. What will the tuition at this school be next year?$7,0204. Price Increase A market increased the price of cheese sellingfor $4.98 per pound by 3%. What is the new price for apound of cheese? (Round to the nearest cent.)$5.13 per pound5. Car Value In one year a new car decreased in value by20%. If it sold for $16,500 when it was new, what wasit worth after 1 year?$13,2006. Calorie Content A certain light beer has 20% fewer caloriesthan the regular beer. If the regular beer has 120calories per bottle, how many calories are in the samesizedbottle of the light beer?96 calories7. Salary Increase A person earning $3,500 a month gets araise of $350 per month. What is the percent increasein salary?10%8. Rate Increase A student reader is making $6.50 per hourand gets a $0.70 raise. What is the percent increase?(Round to the nearest tenth of a percent.)10.8%9. Shoe Sale Shoes that usually sell for $25 are on sale for$20. What is the percent decrease in price?20%10. Enrollment Decrease The enrollment in a certain elementaryschool was 410 in 2007. In 2008, the enrollment inthe same school was 328. Find the percent decrease inenrollment from 2007 to 2008.20%11. Students to Teachers The chart shows the student toteacher ratio in the United States from 1975 to 2002.What is the percent decrease in student to teacherratio from 1975 to 2002? Round to the nearest percent.21%Student Per Teacher Ratio In the U.S.197519851995200216.2Source: nces.ed.gov20.417.917.812. Health Care The graph shows the rising cost of healthcare. What is the projected percent increase in healthcare costs from 2002 to 2014?130%Health Care Costs on the RiseBillions of Dollars400032002400160080003,585.72,944.22,399.21,936.51,559.02002 2005 2008 2011 2014Source: Centers for Medicare and Medicaid Services