Tolong jawab nomor 7-8 !

7.
Vol. Akuarium × 2/3 = 500dm³
Vol.aqua = 500÷2/3
= 750 dm³

750 = L × 3L × 2L
750 = 6L
L = 750 ÷ 6
Lebar = 125dm = 12.5 m
Panjang = 3 × 12.5 = 37.5 m
Tinggi = 2 × 12.5 = 25 m