Albert borrowed a total of $ 6000 from Brian and Charlie. He paid simple interest at the rate of 7 % Per yr and 9 % per yr respectively.At the end of three years he paid $ 1400 as total interest. What is the interest paid to Brian at the end of three years?	Options:
A) 825
B) 790
C) 795
D) 785
E) 770
Let x be the amount borrowed form Brian. So amount borrowed form Charlie = 6000-x.   1400 = 21/100x + 27/100(6000-x)   =&gt;x = 22000/6.   Interest paid = 3*7/100*22000/6= 
<gadget id="calculator">3*7/100*22000/6</gadget>
<output>770</output>
770.   770
<result>E</result>
Albert borrowed a total of $ 6000 from Brian and Charlie. He paid simple interest at the rate of 7 % Per yr and 9 % per yr respectively.At the end of three years he paid $ 1400 as total interest. What is the interest paid to Brian at the end of three years?