+2353 I have no idea what to do here.
Stevie consumes two goods. The expenditure function is given by:
$$e(p_1,p_2,u) = \frac{up_1p_2}{p_1+p_2}$$
a) Determine the direct utility function of Stevie
b) it is given that the Hicksian demand of Stevie for good 2 equals 4 if $$p_1 = 2 \mbox{ and } u = 25$$
Determine the value of $$p_2$$
