SOLUTION: $5400 is invested, part of it at 11% and part at 6% for a certain year the total yield is $474.00. how much was invested at 11%?

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Question 808187: $5400 is invested, part of it at 11% and part at 6% for a certain year the total yield is $474.00. how much was invested at 11%?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a+b=5400,
.11a+.06b=474
a=3000 at 11%., b=2400.