Answer:
$186
Explanation:
Planteamiento:
a + 2m = 930
a = m/2
a = costo de una argolla
m = costo de una figura de madera
Desarrollo:
sustituyendo el valor de la segunda ecuación del planteamiento en la primer ecuación del planteamiento:
m/2 + 2m = 930
m/2 + 4m/2 = 930
5m/2 = 930
m = 2*930/5
m = 372
de la segunda ecuación del planteamiento:
a = m/2
a = 372/2
a = 186
Comprobación:
a + 2m = 930
186 + 2*372 = 930
186 + 744 = 930
Respuesta:
El precio de una argolla es de:
$186
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