A person invests 4000 dollars in a bank. The bank pays 5.5% interest compounded annually. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 5600 dollars?

الحلّ

الحلّ

Time : 6.28

خطوات الحلّ

Translate the problem into an equation:

5600 = 4000 (1 + \frac{0.055}{1})^{1 \cdot t}

5600 = 4000 (1 + \frac{0.055}{1})^{1 \cdot t}, t

حلّ لـ:

t = 6.28

Time : 6.28

أمثلة شائعة

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