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人気のある 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?

解

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 ?

解

Principal : 9000

解答ステップ

Translate the problem into an equation:

675 = P \cdot 0.075 \cdot 1

P

を解く

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

Principal : 9000

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