Question 1037966
Let the amount at 6% be x:
0.06x+0.03(2000-x) = 84
0.06x+60-0.03x = 84
0.06x-0.03x = 84-60
0.03x = 24
x = 800
He invested 800 at 6% and 2000-800 = 1200 at 3%