GMAT Maths Lesson Video | Percentage Change
This online GMAT Quant Tutorial discusses how to compute percentage increase and percentage decrease.
Key question: Percentage change is expressed as a percentage of what value? The initial value or the final one?
The video consolidates concept lessons with a 600 level GMAT practice question.
Question
What was the price of land in Utopia before and after the price increase and by what amount did it increase?
1. The price of a square foot of land in Utopia increased by 20% to $840.
2. The price of a square foot of land in Utopia increased by 20%, or by $840.
3. The price of a square foot of land in Utopia increased by 20% from $840.
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