Mathematics, 18.11.2020 17:50, chasidystanford56

1. Si las edades de dos hermanos están en la razón 7 : 4, y el menor tiene 20 años, ¿Cuántos años tiene el mayor? * 35
11,4
30

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1. Si las edades de dos hermanos están en la razón 7 : 4, y el menor tiene 20 años, ¿Cuántos años ti...