SOLUTION: You have already invested $450 in a stock with an annual return of 11%. How much of an additional $1,600 should be invested at 12% and how much at 6% so that the total return on th

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Question 911643: You have already invested $450 in a stock with an annual return of 11%. How much of an additional $1,600 should be invested at 12% and how much at 6% so that the total return on the entire $2,050 is 9%?

at 12%
at6%

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
.11*450 + .12x + .06(1600-x) = .09(2050)
x =%28+.09%282050%29+-+.11%2A450+-+.06%281600%29%29%2F.06, amount at 12%