Math Problem Statement
Find the expense
Solution
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Math Problem Analysis
Mathematical Concepts
Ratios
Linear Equations
Simultaneous Equations
Formulas
Savings = Earnings - Expenses
Earnings of A = 4x
Earnings of B = 5x
Expenses of A = 7y
Expenses of B = 9y
Theorems
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Suitable Grade Level
Grade 9-11
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