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 >

Sarah invested 53,000 in an account paying an interest rate of 4.5% 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 77,700?

解

S a r ah in v es t e d 53, 000 in an a cco u n t p a y in g an in t eres t r a t e o f 4.5% 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 77, 700 ?

解

Time : 8.5

解答ステップ

Translate the problem into an equation:

77700 = 53000 (1 + \frac{0.045}{365})^{365 t}

t

を解く

77700 = 53000 (1 + \frac{0.045}{365})^{365 t} : t = 8.5

Time : 8.5

人気の例

Sound travels through the air at 330 m/s and light travels at 300000km/s. calculate how far away a lightning flash occurred if the sound was hear 6.4 seconds after the lightning was seen.If 15 is subtracted from two times a certain number, the result is five times the number. Find the number.You deposit 10000 in an account earning 7% interest compounded monthly. How much will you have in the account in 1 years?Fatoumata is going to invest in an account paying an interest rate of 3.9% compounded monthly. How much would Fatoumata need to invest, to the nearest dollar, for the value of the account to reach 7,400 in 8 years?you are charged with 6% sales tax.You purchase a new bicycle and pay \$27 in sales tax.What is the purchase price of the bicycle?