Answer:
1.6
Step-by-step explanation:
The Market Rate of Substitution: The rate at which one good can be exchanged for another at current market prices. The Market Rate of Substitution for X with Y. The amount of Y which must be given up in order to get one more unit of X, given a fixed budget and market price .
DATA
Price of bag of potato chips = $4
Price of bag of pretzels = $2.5
Solution
Market rate of substitution = MUx / MUy = Px / Py
Market rate of substitution = 4 / 2.5
Market rate of substitution = 1.6