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Mathematics, 21.07.2020 16:01 124319

En una fábrica de pinturas cuentan con un tanque de pintura blanca y otro de pintura azul. El litro de pintura blanca cuesta 4 dólares y el litro de pintura azul, 7 dólares. Si se quiere mezclar ambas pinturas para llenar un tanque de 500 litros de capacidad y además se requiere que la mezcla no cueste más de 6 dólares ni menos de 5 dólares el litro. ¿Cuál de las siguientes inecuaciones te ayuda a calcular cuántos litros de pintura blanca, como máximo, debe tener la mezcla? ("x" representa la cantidad de litros de pintura blanca) 1. (4x + 7x)/500 > 5 2. 4x + 7(500 - x) > 5 3. 4x + 7x > 500 4. [4x + 7(500 - x)]/500 > 5

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En una fábrica de pinturas cuentan con un tanque de pintura blanca y otro de pintura azul. El litro...
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