23-12-2017
Mathematics

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A person plans to invest four times as much in an account at 4.9% interest as in an account at 1.7% interest. How much should the person invest in each account to earn a total of $ 426 in one year?

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23-12-2017

0.049*4x + 0017x = 426

0.213x = 426
x = 2000

He should invest $2000 in 1.7% account and $8000 in 4.9% account

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