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