dyerBellouise dyerBellouise

10-09-2016
Mathematics

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20.4 is what % of 17=

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Kaustav Kaustav

10-09-2016

Let the required number be 'a'.
17 × a℅ = 20.4
17 × a/100 = 204/10
17a/100 = 204/10
17a = (204×100) /10
a = 20400 / 10 × 17
a = 20400 /170
a = 120

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