hitunglah nilai x dan y x per 4=5 per 12

Bab Aljabar

Matematika SMP Kelas VII

x/4 = 5/12
x = 5 . 4/12
x  = 5/3

[tex] \frac{x}{4}= \frac{5}{12}\\ 12\times x = 5 \times 4\\ 12x = 20\\ x = 20 \div 12\\ \bold{x = 1,667}[/tex]