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10-09-2017
Mathematics

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By what percent is 70 less than 200

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Аноним Аноним

10-09-2017

200/x=100/70

(200/x)*x=(100/70)*x - we multiply both sides of the equation by x

200=1.42857142857*x - we divide both sides of the equation by (1.42857142857) to get x
200/1.42857142857=x

x=140

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