ja

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

人気のある Word Problems >

David invested 68,000 in an account paying an interest rate of 5.5% compounded daily. Assuming no deposits or withdrawals are made, how long would it take, to the nearest tenth of a year, for the value of the account to reach 93,000?

解

D a v i d in v es t e d 68, 000 in an a cco u n t p a y in g an in t eres t r a t e o f 5.5% co m p o u n d e d d ai l y . A ss u min g n o d e p os i t s or w i t h d r a w a l s a re ma d e, h o w l o n g w o u l d i t t ak e, t o t h e n e a res t t e n t h o f a ye a r, 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 93, 000 ?

解

Time : 5.69

解答ステップ

Translate the problem into an equation:

93000 = 68000 (1 + \frac{0.055}{365})^{365 t}

t

を解く

93000 = 68000 (1 + \frac{0.055}{365})^{365 t} : t = 5.69

Time : 5.69

人気の例

Sam has 50 in an account that earns 5% interest compounded annually.To the nearest cent, how much will he have in 3 years?4400 dollars is placed in an account with an annual interest rate of 8.25%. How much will be in the account after 22 years, to the nearest cent?Sophia is going to invest in an account paying an interest rate of 3.4% compounded monthly. How much would Sophia need to invest, to the nearest dollar, for the value of the account to reach 1,450 in 14 years?find the area of circle with a 直径 of 1.4m Damian invested 880 in an account paying an interest rate of 5.2% compounded annually. Assuming no deposits or withdrawals are made, how long would it take, to the nearest tenth of a year, for the value of the account to reach 1,290?