A certain sum of money amounts to \[\frac{5}{4}\]of itself in 5 years. What is the rate percent per annum?

A certain sum of money amounts to \[\frac{5}{4}\]of itself in 5 years.

1.	A certain sum of money amounts to \[\frac{5}{4}\]of itself in 5 years. What is the rate percent per annum?
A.	5%
B.	7%
C.	9%
D.	12%
Answer» B. 7%

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A certain sum of money amounts to \[\frac{5}{4}\]of itself in 5 years. What is the rate percent per annum?

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