By what percent is 70 less than 200

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asked Apr 4, 2018 97.2k views

1 Answer

Tristan Tao · Answer 1 · 2018-04-08T22:46:50+0000

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

By what percent is 70 less than 200

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