Ejercicio Test 1 - g · Microeconomía I UPF 2019

Two goods are considered: canned water in containers of 1/3 litre (good 1) and bottled water in containers of 1/2 litre (good 2).

g. Marta is indifferent between all consumption bundles satisfying $2x_1x_2 = 32$, where $x_1$ denotes kilograms of kiwis and $x_2$ kilograms of strawberries. What is her marginal rate of substitution ($MRS$) at the bundle $(4, 4)$?