Mathematics for IGCSE & O level - Percentages (Section 5 - No. 20)
Which of the following can be used to find a quantity after a percentage decrease?
Adding the percentage to 100% and using the decimal as a multiplier
Subtracting the percentage from 100% and using the decimal as a multiplier
Adding the percentage from 100% and using the decimal as a divisor
Subtracting the percentage from 100% and using the decimal as a divisor
Explanation
To find the quantity after a percentage decrease, subtract the percentage from 100% and use the equivalent decimal as a multiplier.
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