The price elasticity of demand is 5.0 if a 10% increase in the price results in a ________ decrease in the quantity demanded.
[1 mark]
A
10%
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B
50%
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C
2%
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D
5%
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Solution
The correct option is B 50% Ed = Percentage change in quantity demanded/Percentage change in price
5 = Percentage change in quantity demanded/10
Percentage change in quantity demanded = 50%