1. A local market for clay bricks has weekly demand described by P=1.55-0.008Q and supply described by P=0.32+0.0012Q. Calculate the equilibrium quantity
2. A local market for clay bricks has weekly demand described by P=1.55-0.008Q and supply described by P=0.32+0.0012Q. Calculate the equilibrium price
3. In response to a price decrease from $27 to $22, sales quantity increases 13,200 to 14,800. Calculate the absolute value of the price elasticity of demand