Math Problem Statement
How much water should be added to 60 liters of milk at 3/2 liters a rupee so as to have a mixture worth 15/8 liters of rupee?
Solution
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Math Problem Analysis
Mathematical Concepts
Ratio and Proportion
Alligation Method
Unit Conversion
Formulas
Cost per liter of milk = 1 rupee / (3/2 liters)
Cost per liter of mixture = 1 rupee / (15/8 liters)
Alligation formula: (Cost per liter of mixture - Cost per liter of water) / (Cost per liter of milk - Cost per liter of mixture) = Quantity of milk / Quantity of water
Theorems
Alligation Rule
Weighted Average Formula
Suitable Grade Level
Grades 9-12
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