Math Problem Statement
If discount of 20% is given on marked price of an article then a shopkeeper get the profit of 20% what is his Profit% ? if discount offered by him changes to 30%.
Solution
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Math Problem Analysis
Mathematical Concepts
Percentage
Profit and Loss
Discount Calculation
Linear Equations
Formulas
Selling Price = Marked Price - (Discount% × Marked Price)
Profit% = ((Selling Price - Cost Price) / Cost Price) × 100
Theorems
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Suitable Grade Level
Grades 9-12
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