A, B and C enter into a partnership of Rs.8200. If A invests Rs. 2000 more than B and B invests Rs. 400 more than C. Find the investment of B.
Rs.2000
Let the investment of B be x
Investment of C =x-400
Investment of A = x+2000
Total investment = 3x+1600
3x + 1600 = 8,200
x = Rs.2200