Math Problem Statement
(2021 Summer Midterm) The equation below shows Ben’s benefit of consuming n cups of tea and tea is perfectly divisible and can be consumed at any arbitrary quantity (say, 3.14 cups).
Total benefit: TB(n) = 229n − 10n2
Average benefit: AB(n) = 229 − 10n
Marginal benefit: MB(n) = 229 − 20n
Suppose the price is HKD 33 per cup. Ben’s economic surplus from consuming tea would be HKD [Answer].
(In decimal numbers, with two decimal places, please.)
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Optimization
Marginal Analysis
Formulas
Marginal Benefit (MB) = 229 - 20n
Total Benefit (TB) = 229n - 10n^2
Total Cost (TC) = Price × Quantity
Economic Surplus (ES) = TB(n) - TC
Theorems
First Order Condition for Optimization
Suitable Grade Level
Grades 10-12
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