Math Problem Statement
el señor Arturo compra algunas acciones en $720. Si hubiera comprado las acciones el día anterior, cuando el precio por acción era $15 menos, habría comprado 4 acciones más. ¿ Cuantas acciones compro el señor Arturo?
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Linear Equations
Formulas
x * p = 720
(x + 4) * (p - 15) = 720
Quadratic equation formula: ax^2 + bx + c = 0
Theorems
Quadratic Formula: x = (-b ± √(b^2 - 4ac)) / 2a
Suitable Grade Level
Grades 9-10
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