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SIZIF [17.4K]
2 years ago
8

Roberto y Mónica tienen, entre los dos, $ 350.

Mathematics
1 answer:
uranmaximum [27]2 years ago
8 0

Usando un sistema de ecuaciones, hay que Roberto tiene $250 y Monica tiene $100.

<h3>¿Qué es un sistema de ecuaciones?</h3>

Un sistema de ecuaciones es cuando dos o más variables están relacionadas y las ecuaciones se construyen para encontrar los valores de cada variable.

En este problema, las variables són:

  • Variable x: Cantidad de Roberto.
  • Variable y: Cantidad de Monica.

Roberto y Mónica tienen, entre los dos, $ 350, por eso:

x + y = 350 -> y = 350 - x

La media de lo que tiene Roberto más lo de Mónica es $ 225, por eso.

0.5x + y = 225

0.5x + 350 - x = 225

0.5x = 125

x = 250

y = 350 - x = 100

Roberto tiene $250 y Monica tiene $100.

Puede-se aprender más a cerca de sistemas de ecuaciones en brainly.com/question/24646137

#SPJ1

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