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人気のある Word Problems >

Isaac is going to invest in an account paying an interest rate of 6.3% compounded monthly. How much would Isaac need to invest, to the nearest ten dollars, for the value of the account to reach 57,000 in 7 years?

解

I s aa c i s g o in g t o in v es t in an a cco u n t p a y in g an in t eres t r a t e o f 6.3% co m p o u n d e d m o n t h l y . Ho w m u c h w o u l d I s aa c n ee d t o in v es t, t o t h e n e a res t t e n d o ll a rs, f or t h e v a l u e o f t h e a cco u n t t o re a c h 57, 000 in 7 ye a rs ?

解

Principal : 36715.71

解答ステップ

Translate the problem into an equation:

57000 = P (1 + \frac{0.063}{12})^{12 \cdot 7}

P

を解く

57000 = P (1 + \frac{0.063}{12})^{12 \cdot 7} : P = 36715.71

Principal : 36715.71

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