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Jessica has an account with a credit union. Her account earns 2.1% simple interest yearly. Exactly a year and a half ago, she opened her account with $900.

How much interest has she earned so far?

1 Answer

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$28.35 because if she earns 2.1% interest yearly than she will earn 3.15% for 1 1/2 years multiply 0.0315 by 900 and you will get 28.35