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Mathematics, 25.02.2021 22:10 amanramesh2004

Sam opened a money-market account that pays 2% simple interest. He started the account with $7,000 and made no further deposits. When he closed the account, he had earned $420 in interest. How long did he keep his account open?
A. 6 years
OB. 3 years
OC. 4 years
OD. 5 years

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Sam opened a money-market account that pays 2% simple interest. He started the account with $7,000 a...

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