Lang Beck
01/28/2024 · High School

Centro 1 - La guacamaya - Ejercitación A) Ejercicios contextualizados 1) En el refugio, \( \frac{3}{5} \) de las guacamayas son verdes, 20 oft de las guacamayas son rojas y el resto son guacam azules si hay 20 guacamayas en el refugio, ¿cuantas guacamayas azules hay en total?

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Para resolver el problema, primero determinamos cuántas guacamayas verdes y rojas hay en el refugio. 1. **Total de guacamayas**: 20 2. **Guacamayas verdes**: \[ \frac{3}{5} \text{ de 20} = \frac{3 \times 20}{5} = \frac{60}{5} = 12 \] Entonces, hay 12 guacamayas verdes. 3. **Guacamayas rojas**: Se menciona que hay 20 "oft" de guacamayas rojas. Asumimos que "oft" es un error tipográfico y se refiere a 20% de las guacamayas. Por lo tanto: \[ 20\% \text{ de 20} = \frac{20}{100} \times 20 = 4 \] Entonces, hay 4 guacamayas rojas. 4. **Guacamayas azules**: Para encontrar cuántas guacamayas son azules, restamos las guacamayas verdes y rojas del total: \[ \text{Guacamayas azules} = \text{Total} - (\text{Guacamayas verdes} + \text{Guacamayas rojas}) \] \[ \text{Guacamayas azules} = 20 - (12 + 4) = 20 - 16 = 4 \] Por lo tanto, en total hay **4 guacamayas azules** en el refugio.

Quick Answer

Hay 4 guacamayas azules en el refugio.
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