Price Elasticity

Please help me to check my answer, THANKS


If Quantity of the good demanded= 600 - 20P and Quantity of the good supplied = 0 + 30P


1) The Equilibrium Price is ??? (12)


2) The Equilibrium Quantity is ??? (360)


3) Price Elasticity of demand between Price(1)= 13 and Price(2)= 11 is ??? (0.67)


4) Price Elasticity of supply between Price(1)= 13 and Price(2)= 11 is ??? (1)