Mathematics, 11.03.2021 17:20 neemy

1) Un alumno Pagó $ 405. 00 por dos libros, uno de historia y otro de geografía. ¿Cuál es el precio de los libros, si el libro de historia costó $35.00 más que el de geografía? 2) Hace 6 años Beatriz tenía 2/3 de la edad de Guillermo y dentro de 12 años tendrá 5/6 de su edad. Halla las edades actuales de Beatriz y Guillermo.

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1) Un alumno Pagó $ 405. 00 por dos libros, uno de historia y otro de geografía. ¿Cuál es el precio...

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