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פּוֹפּוּלָרִי Word Problems >

Farid deposited 100.00 into a new savings account that earns interest compounded continuously. After 1 year, the balance in the account was 113.00. What was the interest rate on the account?

פתרון

F a r i d d e p os i t e d 100.00 in t o a n e w s a v in g s a cco u n t t ha t e a r n s in t eres t co m p o u n d e d co n t in u o u s l y . A f t er 1 ye a r, t h e ba l an ce in t h e a cco u n t w a s 113.00. Wha t w a s t h e in t eres t r a t e o n t h e a cco u n t ?

פתרון

Rate : 12.22176 \dots %

צעדי פתרון

Translate the problem into an equation:

113 = 100 e^{r \cdot 1}

113 = 100 e^{r \cdot 1}, r

פתור בשביל:

r = 12.22176 \dots %

Rate : 12.22176 \dots %

דוגמאות פופולריות

The sum of five consecutive numbers is 200. What are the numbers you buy a watch for 60 . your friend buys a watch a month later. it is now sold at a 15% what is the new price? what is the total cost including tax? sales tax is 84 times the difference between a number and 15 is equal to the number plus-55. Write out the equation.The diameter of a circle is 12 m. Find its circumference in terms of pipi.Answer 17% of a number is 153