ko

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

인기 있는 Word Problems >

Isabella opened a savings account 4 years ago. The account earns 6% interest, compounded monthly. If the current balance is 400.00, how much did she deposit initially?

해법

I s ab e ll a 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 6% in t eres t, co m p o u n d e d m o n t h l 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 s h e d e p os i t ini t ia ll y ?

해법

Principal : 314.84

솔루션 단계

Translate the problem into an equation:

400 = P (1 + \frac{0.06}{12})^{12 \cdot 4}

P

해결 대상

, 400 = P (1 + \frac{0.06}{12})^{12 \cdot 4} : P = 314.84

Principal : 314.84

인기 있는 예

The sum of two numbers is 100 . One number is 4 times as large as the other. What are the numbers?what is the result when the number 38 is decreased by 4%The 지름 of a circle is 14 m. Find its area to the nearest whole number The left and right page numbers of an open book are two consecutive integers whose sum is 453 . Find these page numbers.What is the 지름 of a circle with the radius of 6.5 inches?