Respuesta:
Y = gramos de sal ; X = gramos de frijoles
Balanza 1:
100gr + (Y*2) = 500gr
Y * 2 = 500gr - 100gr
Y = 400gr / 2
Y = 200gr
Balanza 2:
X = 250gr + Y
X = 250gr + 200gr
X = 450gr
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Respuesta:
Y = gramos de sal ; X = gramos de frijoles
Balanza 1:
100gr + (Y*2) = 500gr
Y * 2 = 500gr - 100gr
Y = 400gr / 2
Y = 200gr
Balanza 2:
X = 250gr + Y
X = 250gr + 200gr
X = 450gr