Free practice · matching · easy
Practice
Match the parts of a percentage calculation
An item has an original price of USD 80, a 25% discount of USD 20, and a final price of USD 60. Match each value to its calculation role.
Calculation anatomy
Every percentage problem has distinct quantity roles
- BaseUSD 100Original 100% amount
- Rate10%Percentage removed
- ChangeUSD 10Base × rate
- FinalUSD 90Base − change
Training relationshipbase − change = final
This separate training example shows how the base, rate, change, and final amount form one checkable relationship.