Math Problem Statement

dime la alternativa correcta ysu resolución de manera fácil en español

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
System of Equations
Mixture Problems

Formulas

x + y = 120
0.73x + 0.91y = 0.85 * 120

Theorems

Mixture theorem for proportionality

Suitable Grade Level

Grades 10-12