Answer:
24%
Step-by-step explanation:
Price elasticity denotes the percentage change in quantity demanded in response to certain percentage change in price. Elasticity of price is calculated as follows:
Elasticity of price = % change in quantity / % change in price
-2.42 = % change in quantity / 10%
% change in quantity = 2.42 * 10%
% change in quantity = 24.2%