The cross-price elasticity of Sassy Cola and Crinkly Cola is 0.69, where the percentage change in quantity is for Sassy Cola and the percentage change in price is measured for Crinkly Cola. Calculate the percentage that the quantity demanded of Sassy Cola will change if the price of Crinkly Cola increases by 4.0%. Enter your response to one decimal place, and enter a negative number if the quantity demanded decreases.
The cross-price elasticity of popcorn and butter is -0.34, where the percentage change in quantity is for popcorn and the percentage change in price is measured for butter. Calculate the percentage that the quantity demanded of popcorn will change if the price of butter decreases by 11%. Enter your response to one decimal place, and enter a negative number if the quantity demanded decreases.