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.
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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