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posted by LaCresha on Saturday, July 28, 2012 at 9:24pm.
If the principal P = $900, the interest I = $819, and time t = 7 years, what is the rate?
I = prt 819 = 900 * r * 7 819 = 6300r 819/6300 = r 0.13 = r The rate is 13%.
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