he

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

פּוֹפּוּלָרִי Word Problems >

A person invests 4000 dollars in a bank. The bank pays 5.5% interest compounded annually. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 5600 dollars?

פתרון

A p erso n in v es t s 4000 d o ll a rs in a bank . T h e bank p a ys 5.5% in t eres t co m p o u n d e d ann u a ll y . T o t h e n e a res t t e n t h o f a ye a r, h o w l o n g m u s t t h e p erso n l e a v e t h e m o n ey in t h e bank u n t i l i t re a c h es 5600 d o ll a rs ?

פתרון

Time : 6.28

צעדי פתרון

Translate the problem into an equation:

5600 = 4000 (1 + \frac{0.055}{1})^{1 \cdot t}

5600 = 4000 (1 + \frac{0.055}{1})^{1 \cdot t}, t

פתור בשביל:

t = 6.28

Time : 6.28

דוגמאות פופולריות

Mia invested 640 in an account paying an interest rate of 6.7% compounded continuously. Assuming no deposits or withdrawals are made, how long would it take, to the nearest year, for the value of the account to reach 940?Twelve more than 6 times a number is 8.Three consecutive integers sum to 234. What is the least of these integers?you invest 4000 dollars in an account to save for college. It pays 4.5% annual interest compounded continuously. what would be the balance in the account after 2 years 65. An account with an initial deposit of $6,500 earns 7.25% annual interest, compounded continuously. How much will the account be worth after 20 years?