The simple interest on a sum is 3/5 of the principal at the rate of 7.5% per annum. What is the time period (in years)?_x005F_x000D_

The simple interest on a sum is 3/5 of the principal at the rate of 7.

1.	The simple interest on a sum is 3/5 of the principal at the rate of 7.5% per annum. What is the time period (in years)?_x005F_x000D_
A.	7.5
B.	8
C.	10
D.	12.5
Answer» C. 10