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12 punts Previous Answers BerpinMachi 2.2.008. Use the rule of 72 to estimate the doubling time (in years) for the interest
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Answers Given data, r= 7.7% rule of I2 = 72 = 72 72 Istol rule of 72 = 9,35 years. Exact doublong time; T= In (2) InCittoo) T→ T = In (2) 77 in (147) 100 & T = In (2) In(1077) in (2) = 0.693) in (1.077) = 6:7413 =) T= 0.693) - 0.7417 T= 9.34 years .

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