Banyaknya sapi dan banyaknya kambing berbanding 1 : 4. Jika selisih banyaknya sapi dan kambing adalah 30 ekor, maka banyaknya sapi dan kambing masing-masing adalah​

Jwb :

Sapi : Kambing = 1 : 4

Sapi = 1/(4 – 1) × 30

= 1/3 × 30

= 1 × 10

= 10

Kambing = 4/(4 – 1) × 30

= 4/3 × 30

= 4 × 10

= 40

Jumlah :

= 10 + 40

= 50

»

Sapi : Kambing = 1 : 4

Sapi = 1 / ( 4 – 1) × 30

= 1/3 × 30

= 1 × 10

= 10

Kambing = 4 / ( 4 – – 1 ) × 30

= 4/3 × 30

= 4 × 10

= 40

Jumlah :

» = 10 + 4

» 0

= 50