Math Problem Statement
900円の品物を100個仕入れて、4割の利益を見込んで定価をつけた。 70個は定価で売れ、残り30個は定価の2割引で売れ、100個完売した。 値引き後の品物1個の値段は何円か。
Solution
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Math Problem Analysis
Mathematical Concepts
Profit Calculation
Percentage
Discount Calculation
Formulas
Selling Price = Cost Price + (Cost Price × Profit Percentage)
Discounted Price = Selling Price × (1 - Discount Percentage)
Theorems
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Suitable Grade Level
Grades 6-8
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