Mathematics for IGCSE & O level - Percentages (Section 3 - No. 19)
Which statement is equivalent to saying an item is marked down by 20%?
The sale price is 120% of the original price
The sale price is 80% of the original price.
The sale price is 20% of the original price.
The sale price is 100% of the original price.
คำอธิบาย
If an item has a discount of 20%, then it represents 80% of its original price.