"The law of demand is easy" your classmate says. "It says that demand and price move in opposite directions." Is your classmate correct about the law of demand? Why or why not? ) Your classmate is wrong; the law of demand says that price and quantity demanded move in opposite directions. Your classmate is wrong: they're mixing up the law of demand and the law of supply. O Your classmate is wrong: the law of demand says that demand and equilibrium price move in the same direction. Your classmate is correct. Your classmate may be wrong; this Is only true if we are dealing with a normal good