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a total of $ 14,000 is invested in two funds paying 4% and 5% annual interest. The combined interest is $620 a)write a system of equations to model...

a total of $ 14,000 is invested in two funds paying 4% and 5% annual interest. The combined interest is $620 a)write a system of equations to model this problem b). graph this system and use the graph to estimate how much was invested in each fund?

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