Can someone tell me how to find the price elasticity of that function?

**Answer 1**

E = (∂Q/∂P) (P/Q) = (-1) (20/(100-20)) = -20/80 = -1/4 = -0.25

E = (∂Q/∂P) (P/Q) = (-100/10²) (10/(100/10)) = -1

Charge Your Knowledge Up

Can someone tell me how to find the price elasticity of that function?

**Answer 1**

E = (∂Q/∂P) (P/Q) = (-1) (20/(100-20)) = -20/80 = -1/4 = -0.25

E = (∂Q/∂P) (P/Q) = (-100/10²) (10/(100/10)) = -1