Sunil invested $ 2200 fir 2 years and $ 2100 for 3 years at the same rate of Simple Interest. If the total interest from these investments is $ 1400, what is the rate of interest?	Options.
A) 12 3/4%
B) 12 %
C) 13 %
D) 16%
E) 13 2/4%
(2200x2xR)/100+(2100x3xR)/100=1400   107R=1400   R= 13 %   Answer is 13 %
<result>C</result>
Sunil invested $ 2200 fir 2 years and $ 2100 for 3 years at the same rate of Simple Interest. If the total interest from these investments is $ 1400, what is the rate of interest?