Math Problem Statement
一個100円の飲み物を一週間で600個売ることができる。しかし利益を今より12000円上げたい。20円値上げするたびに売れる個数は10個減っていく。ただし売れ残ったものは30円で安売りをする。
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Profit Maximization
Formulas
Total Profit = (New Price × Number of Units Sold) + (Remaining Units × Discounted Price)
Quadratic Equation: ax^2 + bx + c = 0
Profit Formula: Total Profit ≥ Desired Profit
Theorems
Quadratic Formula
Suitable Grade Level
Grades 9-12
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