Mathematics for IGCSE & O level - Percentages (Section 4 - No. 36)
Which of the following is equivalent to a 20% discount?
Paying 80% of the original price
Subtracting 0.20 from the original price.
Multiplying the original price by 0.80
Getting 20 cents off every dollar
解释
Each option describes how a 20% discount impacts the amount you pay.