18/150 = …Permil Tolong bantu yaaaa

Permil itu /1000
jadi,cari dulu mau dikali berapa bawahnya biar jadi 1000
150 x n = 1000
n=1000/150
n=20/3
18 * 20/3=120 permil

18/150 = ……. ⁰/₀₀

x = 18/150 x 1000 ⁰/₀₀
x = 3/25 x 1000 ⁰/₀₀
x = 3 x 40 ⁰/₀₀
x = 120 ⁰/₀₀