The measure of price is elasticity of demand of a normal good carries minus sign while price elasticity of supply carries plus sign. Explain why?

The measure of price is elasticity of demand of a normal good carries

1.	The measure of price is elasticity of demand of a normal good carries minus sign while price elasticity of supply carries plus sign. Explain why?
Answer» Solution :The MEASURE of price of DEMAND has a MINUS sign because there is inverse relation between price and demand of a normal good, while the measure of price elasticity of supply has PLUS sign because there is DIRECT relation between price and supply of a good.