Respuesta:
de largo mide 54 pulgadas
de ancho mide 34 pulgadas
Explicación paso a paso:
L=x = y+20 = 34+20 = 54
a=y = 34
P= 176 pulgadas
P=2L+2a
176 = 2(y+20)+2(y)
176 = 2y+40+2y
176 = 4y+40
176-40 = 4y
136 = 4y
136/4 = y
34 = y
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Verified answer
Respuesta:
de largo mide 54 pulgadas
de ancho mide 34 pulgadas
Explicación paso a paso:
L=x = y+20 = 34+20 = 54
a=y = 34
P= 176 pulgadas
P=2L+2a
176 = 2(y+20)+2(y)
176 = 2y+40+2y
176 = 4y+40
176-40 = 4y
136 = 4y
136/4 = y
34 = y