SOLUTION: Chuck receives loans totaling $12,000 from two banks. One bank charges 7.5% annual interest and the second bank charges 6% annual interest. He paid $840 in total interest in one ye

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Question 813730: Chuck receives loans totaling $12,000 from two banks. One bank charges 7.5% annual interest and the second bank charges 6% annual interest. He paid $840 in total interest in one year. How much was loaned at each banks?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a+b=12000
.075a+.06b=840
a=8000., b=4000.