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פּוֹפּוּלָרִי Word Problems >

Tucker opened a savings account 4 years ago. The account earns 1% interest, compounded annually. If the current balance is 800.00, how much did he deposit initially?

פתרון

T u c k er o p e n e d a s a v in g s a cco u n t 4 ye a rs a g o . T h e a cco u n t e a r n s 1% in t eres t, co m p o u n d e d ann u a ll y . I f t h e c u rre n t ba l an ce i s 800.00, h o w m u c h d i d h e d e p os i t ini t ia ll y ?

פתרון

Principal : 768.78

צעדי פתרון

Translate the problem into an equation:

800 = P (1 + \frac{0.01}{1})^{1 \cdot 4}

800 = P (1 + \frac{0.01}{1})^{1 \cdot 4}, P

פתור בשביל:

P = 768.78

Principal : 768.78

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