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Numero mayor = x
Numero menor = y
2/3(x + y) = 28 (1)
4/3(x - y) = 8 (2)
Despejamos x de (1) y (2)
2/3(x + y) = 28
2(x + y) = 28* 3
2(x + y) = 84
x + y = 84/2
x + y = 42
x = 42 - y (3)
4/3(x - y) = 8
4(x - y) = 8 * 3
4(x - y) = 24
x - y = 24/4
x - y = 6
x = 6 + y (4)
Igualamos (3) Y (4)
42 - y = 6 + y
42 - 6 = y + y
36 = 2y
36/2 = y
18 = y Reemplazamos este valor en (3)
x = 42 - y
x = 42 - 18
x = 24
Numero mayor = x = 24
Respuesta.
Opcion D