he

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

פּוֹפּוּלָרִי Word Problems >

Tracy opened a savings account 10 years ago. The account earns 7% interest, compounded annually. If the current balance is 800.00, how much did she deposit initially?

פתרון

T r a cy o p e n e d a s a v in g s a cco u n t 10 ye a rs a g o . T h e a cco u n t e a r n s 7% 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 800.00, h o w m u c h d i d s h e d e p os i t ini t ia ll y ?

פתרון

Principal : 406.68

צעדי פתרון

Translate the problem into an equation:

800 = P (1 + \frac{0.07}{1})^{1 \cdot 10}

800 = P (1 + \frac{0.07}{1})^{1 \cdot 10}, P

פתור בשביל:

P = 406.68

Principal : 406.68

דוגמאות פופולריות

Find the area of a circle with a radius of 4m car travels at an average speed of 48 miles per hour. How long does it take to travel 264 miles?Seven subtracted from twice a number gives 17.The numbers are consecutive odd integers.The product of the numbers is 35.What is the value of the larger number?You deposit 3000 in an account earning 2% interest compounded monthly. How much will you have in the account in 15 years?