SOLUTION: You have already invested $450 in a stock with an annual return of 11%. How much of an additional $1,100 should be invested at 12% and how much at 6% so that the total return on th

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Question 910875: You have already invested $450 in a stock with an annual return of 11%. How much of an additional $1,100 should be invested at 12% and how much at 6% so that the total return on the entire $1,550 is 9%?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
.11*450+.12*1100+.06x=.09*1550