SOLUTION: Mona invests $1000 at 7% yearly interest. How much does she have to invest at 6% so that the total yearly interest from the two investments exceeds $166?

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Question 1011437: Mona invests $1000 at 7% yearly interest. How much does she have to invest at 6% so that the total yearly interest from the two investments exceeds $166?
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
1000*.07+.06x=> 166
70+.06x=> 166
.06x=> 96
x=> 1600
1600 is the minimum she has to invest at 6%
J