SOLUTION: A corporation borrowed $760,000 to expand its line of clothing. Some of the money was borrowed at 11%, some at 12%, and the remainder at 15%. The annual payment to the lenders was

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Question 977605: A corporation borrowed $760,000 to expand its line of clothing. Some of the money was borrowed at 11%, some at 12%, and the remainder at 15%. The annual payment to the lenders was $91,200. The amount borrowed at 11% was 3 times the amount borrowed at 15%. How much was borrowed at the 15% rate?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x+y+z=760000
x=3z
.11x+.12y+.15z=91200