Question

Roscoe invests $2800 in two different accounts. The first account paid 8 %, the second account paid 5 % in interest. At the end of the first year he had earned $176 in interest. How much was in each account?

          Roscoe invests $2800 in two different accounts. The first account paid 8 %, the second account paid 5 % in interest. At the end of the first year he had earned $176 in interest. How much was in each account?
        

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Elementary and Intermediate Algebra
Elementary and Intermediate Algebra
Alan S. Tussy, R. David Gustafson 5th Edition
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Roscoe invests $2800 in two different accounts. The first account paid 8 %, the second account paid 5 % in interest. At the end of the first year he had earned $176 in interest. How much was in each account?
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Transcript

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00:01 All right, your question says caleb wants to invest $8 ,400 into two accounts.
00:08 So we know that x plus y must be $8 ,400.
00:15 All right.
00:17 And then it kind of gets a little clouded here, but it says the first account paid seven.
00:22 I'm guessing that was 7 % interest on the first account and there's $619 of interest.
00:29 It doesn't say the interest for the second, but let's assume it was a little bit bigger at 9%.
00:35 So what we can do is go ahead and solve this system of equations...
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