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  • 18-04-2017
  • Mathematics
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Sam opened a money-market account that pays 4% simple interest. He started the account with $7,000 and made no further deposits. When he closed the account, he had earned $1,120 in interest. How long did he keep his account open?

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Аноним Аноним
  • 19-04-2017
He has had his account open for 4 years.

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