A computer game software marked at $280 is sold at 20% off. If the discount is 35% of its cost price , find the profit per cent.
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2007-09-27 4:05 am
回答 (1)
2007-09-27 4:47 am
✔ 最佳答案
discount = 280 x 20% = 56cost price = 56 / (35%) = 56 x 100 / 35 = 160
selling price = 280 - 56 = 224
profit percent = [(224 - 160) / 160] x 100% = 40%
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