📅 2026-06-04
Daily Math Challenge
A number increased by 20%, then decreased by 20%. What is the overall percentage change?
Answer
-4 percent
📝 Step-by-Step Solution
1
Start with 100
2
After 20% increase: 100 × 1.20 = 120
3
After 20% decrease: 120 × 0.80 = 96
4
Change: 96 - 100 = -4
5
Percentage: -4%
💡 Helpful Hints
• Try with 100 to make it easy
• Calculate each change
• Compare final to original
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