Question 1202792
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Since the reader has posted other similar questions specifying simple interest, I assume this problem is also with simple interest....<br>
With simple interest, this can be solved using common sense and basic arithmetic; no mathematical formulas are needed.<br>
With simple interest, 12.5% of the original amount is added each year.
For the original amount to double, 100% has to be added to the original amount.
The number of years required to add 100% to the original amount, at 12.5% per year, is 100/12.5 = 8.<br>
ANSWER: 8 years<br>