Question 1034040
Call what he invested at 7%, x.
That means he invested 29000-x at 4%.
The set up is like this
.07x + .04(29000-x) = 1610
Now solve for x...
.07x + 1160 - .04x = 1610
.03x = 450
x = $15000 at 7%
29000-x = $14000 at 4%