Morgan Sherman
05/07/2023 · Senior High School
12. Marcela vende 2 tipos de adornos: esferas grandes \( (x) \) a \( \$ 300 \) y esferas chicas \( (y) \) a \( \$ 200 \). Si vendió 100 esferas en total y recaudo \( \$ 27.000 \), ¿Cuál de los siguientes sistemas permite calcular correctamente el número de esferas de cada tipo que vendió? \( \begin{array}{ll}\text { A. } x+y=100 & \text { C. } x+y=27.000 \\ x+y=27.000 & 300 x+200 y=100\end{array} \) \( \begin{array}{ll}\text { B. } x+y=100 & \text { D. } 300 x+200 y=100 \\ 300 x+200 y=27.000 & 300 x+200 y=27.000\end{array} \)
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El sistema correcto es \( x + y = 100 \) y \( 300x + 200y = 27,000 \). La opción correcta es **A**.
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