Mathematics for IGCSE & O level - Percentages (Section 1 - No. 11)
A shopkeeper buys an item for $22 and sells it for $27. What is his percentage profit?
20%
22.7%
25%
49%
解释
Percentage profit = ((Selling Price - Cost Price) / Cost Price) * 100 = (($27-$22)/$22)*100 = 22.7%