Maria bought a laptop at 20% discount on its original price. She sold it with a 40% increase on the price she bought. Her percentage of profit on the original price is?
- 20%
- 28%
- 12%
- None of these
Explanation
Let's assume the original price is $100.
Maria bought it at 20% discount: $100 - 20% = $80
She sold it with a 40% increase: $80 + 40% = $112
Profit = Selling price - Original price = $112 - $100 = $12
Percentage profit = (Profit / Original price) x 100 = ($12 / $100) x 100 = 12%
The correct answer is 12%.
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