derioid2345 derioid2345
  • 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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