Mathematics for IGCSE & O level - Percentages (Section 1 - No. 27)
A trader buys an item for $12.50 and sells it at a loss of $5. What is his percentage loss?
30%
40%
50%
60%
คำอธิบาย
Percentage loss = (Loss / Cost Price) * 100 = ($5 / $12.50) * 100 = 40%