Civil Service Exam Reviewer · Percentage · hard
The price of a product was increased by 30% and then decreased by 30%. What is the net percent change?
- No change
- 9% decrease
- 18% decrease
- 9% increase
Answer
B. 9% decrease
Solution
Net factor = 1.3 × 0.7 = 0.91 → decrease of 9%.
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