Vbsicheljesse Vbsicheljesse

15-01-2017
Mathematics

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20 is 50% of what number?

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oliviaburnx oliviaburnx

15-01-2017

40 because if you double 20 (50%) it would be 40 and to check your answer, you would get 50% of 40 which is 20

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20-01-2017

let x be that number
so: 20=50x/100
50x=2000==>x=200/5=40

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