ar

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

شائع Word Problems >

A sum of 1000 was invested for 4 years, and the interest was compounded semiannually. If this sum amounted to 1440.16 in the given time, what was the interest rate?

الحلّ

A s u m o f 1000 w a s in v es t e d f or 4 ye a rs, an d t h e in t eres t w a s co m p o u n d e d se miann u a ll y . I f t hi s s u m am o u n t e d t o 1440.16 in t h e g i v e n t im e, w ha t w a s t h e in t eres t r a t e ?

الحلّ

Rate : 9.32993 \dots %

خطوات الحلّ

Translate the problem into an equation:

1440.16 = 1000 (1 + \frac{r}{2})^{2 \cdot 4}

1440.16 = 1000 (1 + \frac{r}{2})^{2 \cdot 4}, r

حلّ لـ:

r = 9.32993 \dots %

Rate : 9.32993 \dots %

أمثلة شائعة

twenty-one less than three times a number is 159687 find the number The expression 1.45\div 0.125 is equivalent to what number?Find the area of the circle. Round your answer to the nearest tenth. if the circles radius is 9 mm An initial amount of \$3600 is invested in an account at an interest rate of 3% per year, compounded continuously. Assuming that no withdrawals are made, find the amount in the account after six years.Do not round any intermediate computations, and round your answer to the nearest cent.fair die is rolled 5 times. What is the probability that a 3 is obtained on at least one of the rolls? Round your answer to three decimal places.