aidryyy aidryyy

14-10-2015
Mathematics

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if 80 percent is 72 marks what is full marks

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ningdeihsan2u ningdeihsan2u

14-10-2015

100 - 80 = 20
80 = 72
20 = ?
72 / 80 = 0.9
20 x 0.9 = 180
180 + 72 = 252

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