Question
1. ¿Cuánto costará vallar una finca cuadrada de 14 metros de lado a razón de 1,5 euros el metro lineal de alambrada? 2. Pintar una pared de 8 m de larga y 75 dm de ancha ha costado 60 euros. ¿A que precio se habrá pagado el metro cuadrado de pintura?
Ask by Stanley Long.
Mar 19,2025 16:45
UpStudy AI Solution
Tutor-Verified Answer
Answer
1. El coste total para vallar la finca es \(84\) euros.
2. El precio por metro cuadrado de pintura es \(1\) euro.
Solution
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The Deep Dive
Para calcular el costo de vallar la finca cuadrada, primero se obtiene el perímetro: P = 4 × lado = 4 × 14 = 56 metros. Luego, multiplicamos el perímetro por el costo por metro lineal: Costo total = 56 × 1,5 = 84 euros. ¡Así que vallar la finca te costará 84 euros!
En el segundo caso, primero convertimos la anchura de la pared de decímetros a metros: 75 dm = 7,5 m. Luego calculamos el área de la pared: Área = 8 m × 7,5 m = 60 m². Ahora, dividimos el costo total de la pintura entre el área: Precio por metro cuadrado = 60 euros / 60 m² = 1 euro. Así que se pagó 1 euro por cada metro cuadrado de pintura.
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