Price Elasticity of Demand (E)is Expressed as $\Delta$ Means Change)
A) E = Percentage Change in Price

Price elasticity of demand (E) is expressed as ( $\Delta$ means change)

A) E = Percentage change in price (% $\Delta$ in P) / Percentage change in quantity demanded (% $\Delta$ in Q) .
B) E = Price (P) / Quantity demanded (Q) .
C) E = Percentage change in quantity demanded (% $\Delta$ in Q) / Percentage change in price (% $\Delta$ in P) .
D) E = Quantity demanded (Q) / Price (P) .
E) E = Quantity demanded (Q) / Price (P)