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인기 있는 Word Problems >

A certain amount of money was invested for one year at a rate of 7.5%. At the end of that year it had earned \$675. How much money was invested?

해법

A cer t ain am o u n t o f m o n ey w a s in v es t e d f or o n e ye a r a t a r a t e o f 7.5%. A t t h e e n d o f t ha t ye a r i t ha d e a r n e d $675. Ho w m u c h m o n ey w a s in v es t e d ?

해법

Principal : 9000

솔루션 단계

Translate the problem into an equation:

675 = P \cdot 0.075 \cdot 1

P

해결 대상

, 675 = P \cdot 0.075 \cdot 1 : P = 9000

Principal : 9000

인기 있는 예

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