Mathematics, 30.05.2020 18:00 jayzeptor

Un bibliotecario vende 84 libros a dos precios diferentes, unos a 3 euros y otros a 2 euros y de la venda obtiene 208 euros. El problema es que no sabe quantos libros ha vendido de cada precio. Podrias determinarlo tu? Porfavor rapido es de un examen

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Un bibliotecario vende 84 libros a dos precios diferentes, unos a 3 euros y otros a 2 euros y de la...

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