300-10%=?
160-10%=?
45-10%=?
300-10% = 300-(300/100%)*10% = 300-30= 270
160-10%= 160-(160/100%)*10% = 160-16 = 144
45-10% = 45 - (45/100%)*10% = 45 - 4,5 = 40,5
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