djzproz
djzproz
03-06-2016
Mathematics
contestada
decrease 20 by 15%
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Tareki
Tareki
03-06-2016
it means (20 - (15% of 20) ) =
lets calculate 15% of 20 :
15% of 20 = (15/100) * 20 = 3
so, 20-3 = 17
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