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Cost of 5 pencils is equal to selling of 4 pencils .Find the gain percentage. |
Answer» 25 % will be the gain PERCENTAGE .Step-by-step explanation: let the cost of ONE pencil be c , cost of 5 pencil = 5c selling price of 1 be s , selling of 4 pencil = 4s 5c = 4s c = 0.8 s gain PERCENT = s - c / c = s -0.8 s / 0.8 s = 0.2 / 0.8 * 100 = 25 % |
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