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인기 있는 Word Problems >

Jason had 3,240 in a savings account with simple interest. He had opened the account with 3,000 exactly 1 year earlier. What was the interest rate?

해법

J a so n ha d 3, 240 in a s a v in g s a cco u n t w i t h s im pl e in t eres t . He ha d o p e n e d t h e a cco u n t w i t h 3, 000 e x a c tl y 1 ye a r e a r l i er . Wha t w a s t h e in t eres t r a t e ?

해법

Rate : 8%

솔루션 단계

Translate the problem into an equation:

3240 = 3000 (1 + r \cdot 1)

r

해결 대상

, 3240 = 3000 (1 + r \cdot 1) : r = 8%

Rate : 8%

인기 있는 예

the 차이 of a number and 15 is less than-32 8 less than the quotient of a number and 2 is 12.the sum of two numbers is-64. their 차이 is-6. find the numbers After 2 years, 30,000 deposited in a savings account with simple interest had earned 4,800 in interest. What was the interest rate?What is the result when the number 41 is increased by 2.3%