Question 1067263
some money: x
three times the amount: 3x. Add 47,000: 3x+47,000
0.08x+(0.11(3x+47,000) = 52,320
0.08x+0.33x+5170 = 52.320
0.41x = 47150
x =  115,000 is the amount invested at 8%
3(115,000)+47,000 = 392,000 is the amount invested at 11%