x = 10 + (1/p^2) Elasticity , E = (dx/dp)*(p/x) = (-2/p^3)*(p/(10 + (1/p^2) ) Put p = 0.3,we get E = (-2/0.3^3)*(0.3/(10+(1/0.3^2)) E = - 1.0526 Solution x = 10 + (1/p^2) Elasticity , E = (dx/dp)*(p/x) = (-2/p^3)*(p/(10 + (1/p^2) ) Put p = 0.3,we get E = (-2/0.3^3)*(0.3/(10+(1/0.3^2)) E = - 1.0526.