Math Problem Statement
Tasha consumes two types of nuts: almonds and walnuts. Her utility function from eating nuts is π(π₯π, π₯π€) = 3π₯π + 5π₯π€, where π₯π is the amount of almonds she consumes (in pounds) and π₯π€ is the amount of walnuts she consumes (in pounds). Tasha has $72 to spend on the two types of nuts each month. Currently, the price of walnuts is $6 per pound at the local grocery store. Tasha optimizes by buying only walnuts. Suppose a membership-based warehouse club is running a promotion on almonds this month. If a consumer pays a monthly membership fee, they can purchase almonds at a price of $3 per pound. The warehouse club does not offer a discount on walnuts. It sells walnuts at the regular price of $6 per pound. What is the maximum monthly membership fee that Tasha would be willing to pay to purchase almonds from the club? (Assume that Tasha is not interested in any other products sold by the warehouse club.)
Solution
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Math Problem Analysis
Mathematical Concepts
Utility maximization
Budget constraint
Marginal utility per dollar
Formulas
U(xa, xw) = 3xa + 5xw
Budget constraint: 3xa + 6xw = 72
Marginal utility per dollar: MUa/Pa = 3/3 and MUw/Pw = 5/6
Theorems
Marginal utility theory
Utility optimization
Suitable Grade Level
College-level economics or advanced high school
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