Reverse percentage problems
Pages
The original after an increase
Recovering the pre-increase amount by dividing by the multiplier, as with VAT.
The original after a decrease
Recovering the full price from a sale price by dividing by the multiplier.
Spotting a reverse problem
Deciding whether a question states the original amount or the changed one.
Practice
Practice
The original after an increase
Recovering the pre-increase amount by dividing by the multiplier, as with VAT.
PracticeThe original after a decrease
Recovering the full price from a sale price by dividing by the multiplier.
PracticeSpotting a reverse problem
Deciding whether a question states the original amount or the changed one.
PracticePercentage change review
Increase and decrease multipliers, repeated change, and reverse percentages.