Problem 1CP: CHECKPOINT
1. What is the simple interest formula?
Problem 2CP: CHECKPOINT
2. If $8000 is invested at 6% simple interest for 9 months, find the future value of the... Problem 3CP: CHECKPOINT
3. If a $2500 investment grows to $2875 in 15 months, what simple interest rate was... Problem 4CP Problem 5CP: CHECKPOINT
5. Given the arithmetic sequence -10,-6,—2 find
(a) the 51st term
(b) the sum of the... Problem 1E: In Problems 1 and 2, find the requested value and tell what the other numbers represent.
Problem 2E Problem 3E: 3. $10,000 is invested for 6 years at an annual simple interest rate of
(a) How much interest will... Problem 4E: 4. $800 is invested for 5 years at an annual simple interest rate of .
(a) How much interest will be... Problem 5E: 5. $20,000 is invested for 6 months at an annual simple interest rate of .
(a) How much interest... Problem 6E: 6. $1800 is invested for 9 months at an annual simple interest rate of .
(a) How much interest will... Problem 7E: 7. If you borrow $800 for 6 months at annual simple interest, how much must you repay at the end of... Problem 8E: 8. If you borrow $1600 for 2 years at annual simple interest, how much must you repay at the end of... Problem 9E: 9. If you lend $3500 to a friend for 15 months at annual simple interest, find the future value of... Problem 10E: 10. Mrs. Gonzalez lent $2500 to her son Luis for 7 months at annual simple interest. What is the... Problem 11E: 11. A couple bought some stock for $30 per share that pays an annual dividend of $0.90 per share.... Problem 12E: 12. Jenny Reed bought stock for $25 per share. The annual dividend was $1.50 per share, and after 4... Problem 13E: 13. (a) To buy a Treasury bill (T-bill) that matures to $10,000 in 6 months, you must pay $9750.... Problem 14E: 14. Janie Christopher lent $6000 to a friend for 90 days at 12%. After 30 days, she sold the note to... Problem 15E: 15. A firm buys 12 file cabinets at $140 each, with payment in full due in 90 days. How much must... Problem 16E: 16. A student has a savings account earning 9% simple interest. She must pay $1500 for... Problem 17E: 17. If you want to earn 2% annual simple interest on an investment, how much should you pay for a... Problem 18E: 18. What is the present value of an investment at 6% annual simple interest if it is worth $832 in 8... Problem 19E: 19. If $5000 is invested at 8% annual simple interest, how long does it take to be worth $9000?
Problem 20E: 20. How long does it take for $8500 invested at 11% annual simple interest to be worth $13,000?
Problem 21E: 21. A retailer owes a wholesaler $500,000 due in 45 days. If the payment is 15 days late, there is a... Problem 22E: 22. An investor owns several apartment buildings. The taxes on these buildings total $30,000 per... Problem 23E: 23. Bill Casler bought a $2000,9-month certificate of deposit (CD) that would earn annual simple... Problem 24E: 24. Suppose you lent $5000 to friend 1 for 18 months at an annual simple interest rate of . After 1... Problem 25E: 25. Write the first ten terms of the sequence defined by .
Problem 26E Problem 27E Problem 28E Problem 29E: 29. Write the first four terms and the 10th term of the sequence whose nth term is
Problem 30E Problem 31E: In Problems 31-34, (a) identify d and and (b) write the next three terms.
31. 2,5,8,…
Problem 32E Problem 33E Problem 34E Problem 35E: 35. Find the 83rd term of the arithmetic sequence with First term 6 and common difference .
Problem 36E: 36. Find the 66th term of the arithmetic sequence with first term and common difference .
Problem 37E: 37. Find the 100th term of the arithmetic sequence with first term 5 and eighth term 19.
Problem 38E: 38. Find the 73rd term of the arithmetic sequence with first term 20 and 10th term 47.
Problem 39E: 39. Find the sum of the first 38 terms of the arithmetic sequence with first term 2 and 38th term... Problem 40E: 40. Find the sum of the first 56 terms of the arithmetic sequence with first term 6 and 56th term... Problem 41E: 41. Find the sum of the first 70 terms of the arithmetic sequence with first term 10 and common... Problem 42E Problem 43E Problem 44E Problem 45E Problem 46E: 46. Salaries Suppose you are offered a job with a relatively low starting salary but with a $3000... Problem 47E: 47. Profit A new firm loses $4000 in its first month, but its profit increases by $800 in each... Problem 48E: 48. Pay raises If you make $36,000 and get $2400 raises each year, in how many years will your... Problem 49E: 49. Salaries Suppose you are offered two identical jobs: one paying a starting salary of $40,000... Problem 50E: 50. Profit A new firm loses $4000 in its first month, but its profit increases by $800 in each... Problem 51E: 51. Pay raises If you are an employee, would you rather be given a raise of $2000 at the end of each... Problem 52E format_list_bulleted