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Mathematics, 04.10.2021 14:00 anonymous1813

Una cajera tiene 21 vellones de diez menos que monedas de cinco y 15 pesetas más que monedas de cinco, para un total de $12.05. Determina cuántas monedas de cinco, vellones de diez y pesetas tiene.
a) 20, 12, 19
b)28, 4, 40
c)26, 5, 41
d)21, 9, 42

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