Math Problem Statement
Bronze which costs $9.10/kg is made by combining copper which costs $8.90/kg with ton which costs $9.50/kg. Find the number of kg of copper and tin required to make 15.3 kg of bronze.
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Weighted Averages
System of Linear Equations
Formulas
Mass equation: x + y = total mass
Cost equation: Cost of copper * x + Cost of tin * y = Cost of bronze * total mass
Theorems
Linear Equation Solving
Suitable Grade Level
Grades 10-12
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