In a parking lot there are two types of vehicles, two wheelers and four wheelers. The total number of the vehicles in the parking lot is 200. When the number of the wheels of all the vehicles is counted it is counted to be 580. Find the total number of the four wheeler vehicles in the parking lot ?Options90110100180
Question
In a parking lot there are two types of vehicles, two wheelers and four wheelers. The total number of the vehicles in the parking lot is 200. When the number of the wheels of all the vehicles is counted it is counted to be 580. Find the total number of the four wheeler vehicles in the parking lot ?Options90110100180
Solution
Vamos a resolver el problema paso a paso.
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Definimos las variables:
- Sea el número de vehículos de dos ruedas.
- Sea el número de vehículos de cuatro ruedas.
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Según el problema, tenemos dos ecuaciones:
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La primera ecuación es sobre el número total de vehículos:
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La segunda ecuación es sobre el número total de ruedas:
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Simplificamos la segunda ecuación dividiendo todo entre 2:
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Ahora tenemos el siguiente sistema de ecuaciones:
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Restamos la primera ecuación de la segunda para eliminar :
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Sustituimos en la primera ecuación:
Por lo tanto, el número total de vehículos de cuatro ruedas en el estacionamiento es .
La respuesta correcta es 90.
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