I need help with the attached file and please be detailed with answers. Thank you.

 

 

In problem 25-32, use formula (1) for simple interest to find each of the indicated quantities.
25. P = $300; R = 7%; t = 2years; 1= ?
26. P = $950; r = 9%; t = 1year; 1= ?
27. I = $36; r =4%; t = 6months; P = ?
28. I = $15; r = 8%; t = 3 quarters; P= ?
29. I = $48; P = $600; t = 240days; r = ?
30. I = $28; P = $700; t = 13weeks; r = ?
31. I = $60; P = $2,400; r = 5%; t = ?
32. I = $96; P = $3,200; r = 4%; t = ?
In problems 33-40, use formula (2) for the amount to find each of the indicated quantities.
33. P = $4,500; r = 10%; t = 1quarter; A = ?
34. P = $3000; r = 4.5%; t = 30days; A = ?
35. A = $910; r = 16%; t = 13weeks; P = ?
36. A = $6,608; r = 24%; t = 3quarters; P = ?
37. A = $14,560; r = $13,000; t = 4months; r = ?
38. A = $22,135; P = $19,000; t = 39weeks; r = ?
39. A = $736; P = $640; r = 15%; t = ?
40. A = $410; P = $400; r = 10%; t = ?
In problems 41-46, solve each formula for the indicated variable.
41. I = Prt; for r
42. I = Prt; for P
43. A = P + Prt; for P
44. A = P + Prt; for r
45. A = P(1 + rt); for t
46. I = Prt; for t
In problems 21-26, use the given annual interest rate r and the compounding period to find i, the
interest rate per compounding period.
21. 9% compounded monthly
22. 6% compounded quarterly 23. 14.6% compounded daily
24. 15% compounded monthly
25. 4.8% compounded quarterly
26. 3.2% compounded semiannually
In problems 27-32, use the given interest rate i per compounding period to find r, the annual rate.
27. 0.395% per month
28. 0.012% per day
29. 0.9% per quarter
30. 0.175% per month
31. 2.1% per half year
32. 1.4% per quarter
33. If $100 is invested at 6% compounded
(A) annually (B) quarterly (C) monthly
What is the amount after 4years? How much interest is earned?
34. If $2,000 is invested at 7% compounded
(A) annually (B) quarterly (C) monthly
What is the amount after 5years? How much interest is earned?
35. If $5,000 is invested at 5% compounded monthly, what is the amount after
(A) 2years? (B) 4years?

• 1492764197-HW2.docx

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Status NEW Posted 21 Apr 2017 08:04 AM My Price 8.00

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