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Mathematics, 26.08.2019 03:30 genyjoannerubiera

Carlos invested part of $3,000 in a 10% certificate account and the rest in a 6% passbook account. the total annual interest from both accounts is $270. how much did he invest at 6%?

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Carlos invested part of $3,000 in a 10% certificate account and the rest in a 6% passbook account. t...
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