Respuestas

2015-07-25T18:12:29+02:00
X = hombres hay.
2X = mujeres hay.
3(X+2X) = niños hay.

X + 2X + 3(X+2X) = 96
X + 2X + 3X + 6X = 96
12X = 96
X = 96/12 = 8 hombres hay.

2X = 2×8 = 16 mujeres hay.

3X + 6X = 3×8 + 6×8 = 24 + 48 = 72 niños hay.