Question

11. A sum of 72,500 yields an interest of 7800 in 4 years. How many years will it take for 24,000 to yield an interest of 7960 at the same rate of interest?
12. A sum of money doubles itself in 5 years at a certain rate of interest. How many years will it take for a certain sum to become 3 times itself at the same rate of interest?
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Answer 1

11. 80460 is Answer 12. 8 Years is Answer

Answer 2

Answer:

11.80460 is your answer

12.8 years is your answer