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 >

An investment of 8,600.00 at 4.7% p.a. compounded quarterly is now valued at12,590.72. How long ago was the investment made?

解

A n in v es t m e n t o f 8, 600.00 a t 4.7% p . a . co m p o u n d e d q u a r t er l y i s n o w v a l u e d a t 12, 590.72. Ho w l o n g a g o w a s t h e in v es t m e n t ma d e ?

解

Time : 8.16

解答ステップ

Translate the problem into an equation:

12590.72 = 8600 (1 + \frac{0.047}{4})^{4 t}

t

を解く

12590.72 = 8600 (1 + \frac{0.047}{4})^{4 t} : t = 8.16

Time : 8.16

人気の例

the perimeter of a square is 2sqrt(3)cm. Find its 面積 The battery life of a certain cell phone starts at 8 hours. The battery life decreases at an annual rate of 30%.a. Write a function that represents the battery life y after x years.if you borrow\$1,040 for 5 years at an annual interest rate of 4% what is the total amount of money you will pay back When Christian and Cynthia were married, Cynthia was two years younger than Christian. How old was Christian on his wedding day if 20 years ago he was twice as old as Cynthia Chris is twice as old as Don. Next year, the sum of their ages will be four times as much as Don's age last year. Find their present ages.