zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的 Word Problems >

Find the time required for an investment of 5000 dollars to grow to 8000 dollars at an interest rate of 7.5 percent per year, compounded quarterly.

解答

F in d t h e t im e re q u i re d f or an in v es t m e n t o f 5000 d o ll a rs t o g ro w t o 8000 d o ll a rs a t an in t eres t r a t e o f 7.5 p erce n t p er ye a r, co m p o u n d e d q u a r t er l y .

解答

Time : 6.33

求解步骤

Translate the problem into an equation:

8000 = 5000 (1 + \frac{0.075}{4})^{4 t}

求解

t, 8000 = 5000 (1 + \frac{0.075}{4})^{4 t} : t = 6.33

Time : 6.33

流行的例子

two fair dice are thrown once.what is the probability of getting the sum of the numbers on face up is 8 The radius of a circle is 6 feet. What is the 周长?Give the exact answer in simplest form. feet If twice a number added to 3 is divided by the number plus 2 , the result is five thirds. Find the number.the quotient of a number and three is ten The sum of six times a number x and forty-six is seventy.