# Stats

posted by
**Sally** on
.

Problem 29.

Demand for cookies (Q) is given as follows:

Q = 180/Pc + I/Pd + 3

Pc = price of cookies

I = income

Pd = price of donuts

Note: Q=28, Pc=10, Pd=7

Given the above information what is the price elasticity of demand at Q=28?