ࡱ> $&#_ bjbjkk 44;\;\rrrrr,,2L****$B "rrr**qqq r*r*qqq:e,*j+F {0R#U#&#rhq#> 8: WS 801 EXAMPLES: Assume $1000 is deposited in an account that pays 8% annual interest compounded quarterly. What is the balance after one year? Try This: If $5000 is deposited in an account that pays 6% annual interest. Find the balance after 25 years if the interest is: a. Compounded Quarterly (n = __ ) b. Compounded Monthly (n = __ ) You have inherited a house that was purchased for $20,000 in 1950. It was sold in 1995, and the value of the house increased by approximately 5% each year. What should the house have sold for? Suppose you have $250 to invest. The bank near your home pays 8.2% compounded semi-annually, and the bank near school pays 8% compounded quarterly. In which account should you invest your money? Explain why. A small town of 12,000 people has an annual rate of decay of 4%. What will the population be in 12 years? Tom wants $1000 in his account in 4 years. If he has a 7% rate of growth, how much should he deposit? WS 801 EXAMPLES: Assume $1000 is deposited in an account that pays 8% annual interest compounded quarterly. What is the balance after one year? Try This: If $5000 is deposited in an account that pays 6% annual interest. Find the balance after 25 years if the interest is: a. Compounded Quarterly (n = __ ) b. Compounded Monthly (n = __ ) You have inherited a house that was purchased for $20,000 in 1950. It was sold in 1995, and the value of the house increased by approximately 5% each year. What should the house have sold for? Suppose you have $250 to invest. The bank near your home pays 8.2% compounded semi-annually, and the bank near school pays 8% compounded quarterly. In which account should you invest your money? Explain why. A small town of 12,000 people has an annual rate of decay of 4%. What will the population be in 12 years? Tom wants $1000 in his account in 4 years. If he has a 7% rate of growth, how much should he deposit? WS 801 1. What is the difference between simple and compound interest? 2. Which will yield the larger balance in one year? $3000 at 6% annual interest, compounded twice a year $3000 at 6% annual interest, compounded four times a year 3. $2000 is deposited in an account that pays 8% annual interest, compounded monthly. What is the balance in five years? 4. $2000 is deposited in an account that pays 8% annual interest, compounded annually. What is the balance in five years? 5. Is  EMBED Equation.3  a model for exponential growth or decay? Explain. 6. Is  EMBED Equation.3  a model for exponential growth or decay? Explain. 7. $800 is deposited in an account that pays 9% annual interest, compounded weekly. Find the balance after four years. WS 801 1. What is the difference between simple and compound interest? 2. Which will yield the larger balance in one year? $3000 at 6% annual interest, compounded twice a year $3000 at 6% annual interest, compounded four times a year 3. $2000 is deposited in an account that pays 8% annual interest, compounded monthly. What is the balance in five years? 4. $2000 is deposited in an account that pays 8% annual interest, compounded annually. What is the balance in five years? 5. Is  EMBED Equation.3  a model for exponential growth or decay? Explain. 6. Is  EMBED Equation.3  a model for exponential growth or decay? Explain. 7. $800 is deposited in an account that pays 9% annual interest, compounded weekly. Find the balance after four years. 8. $100 is deposited in an account that pays 6% annual interest, compounded annually. Find the balance after four years. 9. $2250 is deposited in an account that pays 6% annual interest, compounded quarterly. Find the balance after ten years. 10. $1800 is deposited in an account that pays 5% annual interest, compounded monthly. Find the balance after one year. 11. How much must you deposit in an account that pays 6.25% interest, compounded daily, to have a balance of $700 after two years? 12. How much must you deposit in an account that pays 8% interest, compounded monthly, to have a balance of $1000 after one year? 13. You have inherited an emerald ring that has an appraised value of $2400 in 1960. It is now 1996, and the appraised value of the ring has increased by approximately 6% each year. What is the value now? 14. Vincent Van Goghs painting Irises was auctioned for 53.9 million dollars in 1987. Suppose that it sold for $50 in 1889, when it was painted. Assuming exponential growth, by what percent did its value increase each year? 8. $100 is deposited in an account that pays 6% annual interest, compounded annually. Find the balance after four years. 9. $2250 is deposited in an account that pays 6% annual interest, compounded quarterly. Find the balance after ten years. 10. $1800 is deposited in an account that pays 5% annual interest, compounded monthly. Find the balance after one year. 11. How much must you deposit in an account that pays 6.25% interest, compounded daily, to have a balance of $700 after two years? 12. How much must you deposit in an account that pays 8% interest, compounded monthly, to have a balance of $1000 after one year? 13. You have inherited an emerald ring that has an appraised value of $2400 in 1960. It is now 1996, and the appraised value of the ring has increased by approximately 6% each year. What is the value now? 14. Vincent Van Goghs painting Irises was auctioned for 53.9 million dollars in 1987. Suppose that it sold for $50 in 1889, when it was painted. 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