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פּוֹפּוּלָרִי Word Problems >

Liam opened a savings account 9 years ago. The account earns 6% interest, compounded annually. If the current balance is 400.00, how much did he deposit initially?

פתרון

L iam o p e n e d a s a v in g s a cco u n t 9 ye a rs a g o . T h e a cco u n t e a r n s 6% 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 400.00, 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 : 236.76

צעדי פתרון

Translate the problem into an equation:

400 = P (1 + \frac{0.06}{1})^{1 \cdot 9}

400 = P (1 + \frac{0.06}{1})^{1 \cdot 9}, P

פתור בשביל:

P = 236.76

Principal : 236.76

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