Short Answer:
Mary's demand curve for food is Q = 10 - 2P. Her price elasticity of demand for food at price P*equals -2/3 . How much is P*?
Ann and Bob are a couple. They are the only people in the family. Bob's inverse demand curve for shirts is P = 5 - (1/2) QB . Ann's inverse demand curve for shirts is P = 10 - 2QA . What is their family demand function for shirts? Calculate their family consumption of shirts when the price is 4 and 6, respectively