Una pared rectangular tiene un perímetro de 48 metros. El largo de la pared es el doble del ancho. ¿Cuántos metros cuadrados de papel decorativo se necesitarán para empapelar toda la pared?

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03-03-2021
Mathematics

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Una pared rectangular tiene un perímetro de 48 metros. El largo de la pared es el doble del ancho. ¿Cuántos metros cuadrados de papel decorativo se necesitarán para empapelar toda la pared?

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christa16 christa16 · Answer 1 · 2021-03-03T02:03:17-05:00

christa16 christa16

03-03-2021

Datos:
Perímetro = 48m
Ancho = x
Largo = 2x
Área = (2x)(x)

Ecuación:
2x + 4x = 48
6x = 48
x = 48/6
x = 8

Sustitución:
Área = [2(8)](8)
Área = (16)(8)
Área = 128

Respuesta: Se necesitarán 128 metros cuadrados de papel decorativo

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