Mathematics for IGCSE & O level - Percentages (Section 6 - No. 16)
A shopkeeper buys an article for $22 and sells it for $27. What is his percentage profit?
22.7%
22.0%
20.0%
22.5%
Giải thích
Profit = $27 - $22 = $5. Percentage profit = ($5/$22) * 100 = 22.7%