Mathematics, 29.12.2020 09:00 bsrlee1115
1) Una fábrica necesita 10 horas de trabajo por persona para producir un ventilador (x) y 15 horas de trabajo por persona para producir un aparato de aire acondicionado (y). Si la fábrica produjo en conjunto 20 ventiladores y aparatos de aire acondicionado en el transcurso de 260 horas, ¿cuántos de estos productos fueron ventiladores? *
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1) Una fábrica necesita 10 horas de trabajo por persona para producir un ventilador (x) y 15 horas d...
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