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受欢迎的 Word Problems >

Savannah opened a savings account 9 years ago. The account earns 5% interest, compounded continuously. If the current balance is 600.00, how much did she deposit initially?

解答

S a v annah 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 5% in t eres t, co m p o u n d e d co n t in u o u s l y . I f t h e c u rre n t ba l an ce i s 600.00, h o w m u c h d i d s h e d e p os i t ini t ia ll y ?

解答

Principal : 382.58

求解步骤

Translate the problem into an equation:

600 = P e^{0.05 \cdot 9}

求解

P, 600 = P e^{0.05 \cdot 9} : P = 382.58

Principal : 382.58

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