Math Problem Statement

La Marce té un total de 7 euros en monedes de 20 cèntims i 50 cèntims, i un total de 23 monedes. Hem de determinar quantes monedes de cada tipus té.

Solution

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Math Problem Analysis

Mathematical Concepts

Systems of equations
Linear equations
Currency conversion

Formulas

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Theorems

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Suitable Grade Level

Grades 7-9