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פּוֹפּוּלָרִי Word Problems >

Calculate how much would have had to be invested to have 8190.93 after three years if the investment paid a rate of 3.15% compounded weekly.

פתרון

C a l c u l a t e h o w m u c h w o u l d ha v e ha d t o b e in v es t e d t o ha v e 8190.93 a f t er t h ree ye a rs i f t h e in v es t m e n t p ai d a r a t e o f 3.15% co m p o u n d e d w ee k l y .

פתרון

Principal : 7452.55

צעדי פתרון

Translate the problem into an equation:

8190.93 = P (1 + \frac{0.0315}{52})^{52 \cdot 3}

8190.93 = P (1 + \frac{0.0315}{52})^{52 \cdot 3}, P

פתור בשביל:

P = 7452.55

Principal : 7452.55

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