SOLUTION: a businesswoman invested 6000$; part of it a 8% and the rest at 12%. If the total interest in one year is $560, find the amount she invested at each rate of interest.

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Question 870852: a businesswoman invested 6000$; part of it a 8% and the rest at 12%. If the total interest in one year is $560, find the amount she invested at each rate of interest.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
.12x + .08($6000-x) = $560
x = 80/.04 = $2000 at 12%, $4000 at 8%