jika x = y = 3:4 tentukan perbandingan (6x + y) = 4x + 5y )

Mungkin maksud Anda.
x : y = 3 : 4

[tex]\frac{6x + y}{4x + 5y} = \frac{6(3) + 4}{4(3) + 5(4)} = \frac {22}{32} = \frac{11}{16}[/tex]