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פּוֹפּוּלָרִי Word Problems >

If 25,000 is deposited in an account that earns interest compounded monthly becomes 32,000 after two years, what is the interest rate?

פתרון

I f 25, 000 i s d e p os i t e d in an 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 m o n t h l y b eco m es 32, 000 a f t er tw o ye a rs, w ha t i s t h e in t eres t r a t e ?

פתרון

Rate : 12.40670 \dots %

צעדי פתרון

Translate the problem into an equation:

32000 = 25000 (1 + \frac{r}{12})^{12 \cdot 2}

32000 = 25000 (1 + \frac{r}{12})^{12 \cdot 2}, r

פתור בשביל:

r = 12.40670 \dots %

Rate : 12.40670 \dots %

דוגמאות פופולריות

The square of what other number is 225?One number is eight more than three times another number. If the sum of the numbers is 28, find the numbers.the sum of the squares of two consecutive integers is 580.One number is two more than thrice another number. Their sum is 30 . Find the numbers.The sum of twice a number and 13 is 75