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شائع Word Problems >

How much would you need to deposit in an account now in order to have 3000 in the account in 5 years? Assume the account earns 8% interest compounded monthly.

الحلّ

Ho w m u c h w o u l d yo u n ee d t o d e p os i t in an a cco u n t n o w in or d er t o ha v e 3000 in t h e a cco u n t in 5 ye a rs ? A ss u m e t h e a cco u n t e a r n s 8% in t eres t co m p o u n d e d m o n t h l y .

الحلّ

Principal : 2013.63

خطوات الحلّ

Translate the problem into an equation:

3000 = P (1 + \frac{0.08}{12})^{12 \cdot 5}

3000 = P (1 + \frac{0.08}{12})^{12 \cdot 5}, P

حلّ لـ:

P = 2013.63

Principal : 2013.63

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