Question: Hi, I keep getting this question wrong. How do I begin to solve? system of two equations in two variables to solve the problem. A

Hi, I keep getting this question wrong. How do I begin to solve?

system of two equations in two variables to solve the problem.

A retired couple invested part of$11,400at6%interest and the rest at7.5%. If their annual income from these investments is$789, how much was invested at each rate?

$ at6%

$ at7.5%

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