Mathematics, 18.08.2019 20:20 drandbone92

Can anyone ans this question, i have to hand it in today
frank has $8000 that he plans to split into two investments. he wrote the following two
equations to represent the interest he will earn from each of the two investment options.
• 2000a + 6000b = 520
• 4000a + 4000b = 480
determine the interest rates, a and b, as percentages.

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