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Popular Word Problems >

When 70% of a number is added to the number, the result is 255.

Solution

Wh e n 70​% o f a n u mb er i s a dd e d t o t h e ​ n u mb er, t h e res u lt i s 255.

Solution

Amount before addition : 150

Solution steps

Translate the problem into an equation:

255 = x + 0.7 x

255 = x + 0.7 x : x = 150

Amount before addition : 150

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