vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

Perry opened a savings account 8 years ago. The account earns 15% interest, compounded annually. If the current balance is 500.00, how much did he deposit initially?

Lời Giải

P erry o p e n e d a s a v in g s a cco u n t 8 ye a rs a g o . T h e a cco u n t e a r n s 15% 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 500.00, h o w m u c h d i d h e d e p os i t ini t ia ll y ?

Lời Giải

Principal : 163.45

Các bước giải pháp

Translate the problem into an equation:

500 = P (1 + \frac{0.15}{1})^{1 \cdot 8}

Giải

P, 500 = P (1 + \frac{0.15}{1})^{1 \cdot 8} : P = 163.45

Principal : 163.45

Ví dụ phổ biến

two numbers have a sum of 34 and a hiệu of 8 and write a pair of simultaneous 13 more than a number is 27 9000 dollars is placed in an account with an annual interest rate of 8%. How much will be in the account after 18 years, to the nearest cent?Find two consecutive whole numbers that sqrt(125) lies between. and Gina is 12 years old. She is twice as old as her sister Julia. How old is Julia?