SOLUTION: Tracy invested $38000 for one year, part at 11% interest and part at 9% interest. If she earned a total of $4000 in interest, how much did she invest at each rate?
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Question 991139: Tracy invested $38000 for one year, part at 11% interest and part at 9% interest. If she earned a total of $4000 in interest, how much did she invest at each rate? Answer by solver91311(24713) (Show Source):
