1. In 1988, the cost of tuition at a certain private high school was $3,615. By 1993, it had risen approximately 24%. What was the approximate cost in 1993?
2. Claire made a list of the costs for her first year of community college. At this college, tuition and the cost of books typically increase by 6% each year. The other costs are not expected to change. Estimate the cost of a two-year education at this school. Round to the nearest cent.
3. A person earns $25,900 one year and gets a 3% raise in salary each year. What will the salary be the second year? The third year?
4. Eli made a list of the costs for his first year at a college he plans to attend. The total cost of attending this college increases by 5.5% each year. Estimate the cost of a four-year education at this school. Round to the nearest cent.
5. Error Analysis The price of one item sold at a store is $10. A manager decides to increase the item's price by 40% and changes the price to $6. An employee points out this new price is incorrect.
a. Find the correct selling price.
b. What was the manager's likely error?
A. The manager did not change the selling price.
B. The manager decreased the price by 40% instead of increasing it by 40%.
C. The manager increased the price by 40% instead of decreasing it by 40%.
D. The manager set the selling price as 40% of the original price.
6. Writing Carlos plans to attend the college whose current costs are shown. At this college, tuition and fees and the cost of books and supplies typically increase by 2.5% each year.
a. Estimate the cost of a two-year education at this school.
b. Why might a college have to increase its costs each year?
7. The table shows the costs of one year of community college. The total cost of attending this college increases by 2% each year.
a. What will the total cost be next year?
b. What will the total cost be the year after next? Round to the nearest cent.