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Questions and Answers
What happens to a value when it decreases by 20%?
If a value increases by 30%, what is the resulting value as a percentage of the original value?
If a quantity decreases by 25% and then increases by 40%, what is the net percentage change?
Study Notes
Percentage Changes
- When a value decreases by 20%, its new value is 80% of the original value.
- If a value increases by 30%, its resulting value is 130% of the original value.
- If a quantity decreases by 25% and then increases by 40%, its net percentage change is 5% (25% decrease + 40% increase).
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Description
Test your knowledge of percentage increase and decrease with this quiz. Explore scenarios involving 20% decrease, 30% increase, and combined changes to calculate net percentage change.
