Math Problem Statement
Una empresa de lámparas gana $84 instalando focos cierto número de días. Si la ganancia diaria por instalar focos fuera de $1 menos, se tendría que trabajar 2 días más para ganar $84. ¿Cuántos días trabaja la empresa para ganar $84?, ¿cuál es la ganancia diaria?
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
System of Equations
Formulas
x * y = 84
(x + 2) * (y - 1) = 84
Quadratic equation formula: ax^2 + bx + c = 0
Theorems
Quadratic Formula
Suitable Grade Level
Grades 8-10
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