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인기 있는 Word Problems >

When a number is increased by 9.5%, the result is 58. What is the original number to the nearest tenth?

해법

Wh e n a n u mb er i s in cre a se d b y 9.5%, t h e res u lt i s 58. Wha t i s t h e or i g ina l n u mb er t o t h e n e a res t t e n t h ?

해법

Amount before addition : 52.96803 \dots

솔루션 단계

Translate the problem into an equation:

58 = x + 0.095 x

58 = x + 0.095 x : x = \frac{11600}{219}

\frac{11600}{219} = 52.96803 \dots

Amount before addition : 52.96803 \dots

인기 있는 예

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