You have a charger of your phone at home and you are relativley poor. When your income decreases what is income elasticity of it (roughly)

Mr. Ahmed was having salary of RO 800 and also was demanding goods of 50 Kgs. Recently his salary has increased to RO 900 and then his demand for the same goods changed to 60Kgs. What will be the income elasticity of demand?

You have data on Meena's quantity demanded for craft beer and theirincome. According to this data when Meena's income falls by 7% theassociated change in their quantity demanded for beer is 11%. You don'tknow if it is an increase or decrease in quantity demanded. From pastresearch you know that craft beer is a normal good for Meena. Use thisinformation to calculate Meena's income elasticity of demand.

when the price of poke bowls is $7.5, sally buys an average of 4.3 bowls per week and when the price if poke bowls is $12.1 she buys an avergae of 2.5 per week. Using the midpoint method, sally elasticity of demand