caleb invested a sum of money in a savings account at 4% per annum simple interest. if she had 711 dollars in her account at the end of 9 years, calculate the sum of money she invested. correct to two decimal places
Added by Sarah O.
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The formula is: \[ A = P + I \] where \( A \) is the total amount, \( P \) is the principal (the initial sum of money invested), and \( I \) is the interest earned. Show more…
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