tolong dijawab yah menggunakan cara

semoga membantuuuuuuuuu

80 = 25%
arwana = 35%
gurami = 20%
35% - 20% = 15%
[tex] \frac{80}{25} = \frac{x}{15} [/tex]
dikali silang
80 × 15 = 25x
1200 = 25x
1200/25 = x
48 = x

semoga bermanfaat