Question 328359
5% per year. let him invest $ x
6% per year he invests double = 2x
..
0.05x+0.06*2x= 5500
0.05x+0.12x=5500
0.17x=5500
x= $ 32353  at 5%
2x= 2*32353= $64705 at 6 %  rounded off