Answer:
222.75%
Explanation:
Elasticity of demand for marijuana
(dQ/Q)/(dP/P) = -2.75
If the price drops 81%, that is dP/P=-0.81
If we re-arrange the equation
dQ/Q= -2.75 * dP/P = -2.75*(-0.81) = 2.2275
The demand will be 222.75% higher if the prices drop by 81%