A shirt at a Tampines Mall shop usually costs $40. During a sale, the price is reduced by 20%. Find the sale price of the shirt.
Show Worked Solution
Worked Solution
Step 1: Find the discount amount.
Discount = 20% of $40 = 0.20 × $40 = $8.
Step 2: Subtract the discount from the original price.
Sale price = $40 − $8 = $32.
Alternative method:
After a 20% reduction, the customer pays 100% − 20% = 80% of the original price.
Sale price = 0.80 × $40 = $32.
Answer: $32
Correct answer: $32
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