Problem
1. If it can earn 9.5% interest, how long would any given sum of money take to treble its value?
2. If one needs to have a final sum of £20,000, how many years must one wait if £12,500 is invested at 9%?
3. How long will £70,000 take to accumulate to £100,000 if it is invested at 11%?
4. If £6,000 is to accumulate to £10,000 after being invested for 5 years, what rate must it earn interest at?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.