Answer:
Price elasticity of demand,  = 1.63
 = 1.63
Explanation:
We know, 
Price elasticity of demand,  =
 = 
We will be using mid-point method to calculate the price elasticity.
Here,
Percentage change in Quantity demanded =  × 100
 × 100
or, Percentage change in Quantity demanded =  × 100
 × 100
Therefore, % change in Quantity demanded =  × 100 = 88.89%
 × 100 = 88.89%
Again,
Percentage change in price =  × 100
 × 100
or, Percentage change in price =  × 100
 × 100
Therefore, Percentage change in price =  × 100 = - 54.55%
 × 100 = - 54.55%
Therefore, Price elasticity of demand,  = 88.89% ÷ (- 54.55%) = 1.63
 = 88.89% ÷ (- 54.55%) = 1.63
We know, price elasticity is always positive. Therefore, we have to give an absolute value for price elasticity.