HOTS Mathematics Primary 6 Percentage

A price increases by 20% and then decreases by 20%. What is the overall percentage change from the original price?

A -20%
B -4%
C -2%
D 0%
Show Worked Solution

Worked Solution

Step 1: Start with $100. After 20% increase: $100 × 1.2 = $120. Step 2: After 20% decrease: $120 × 0.8 = $96. Step 3: Change = $96 − $100 = −$4. Percentage change = −4%. Answer: −4%

Correct answer: -4%

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