Kolam p:62dm l:48dm Mengisi air 20832dmkubik Ternyata hy memenuhi 1/4 kolm Brp kedalam kolam

1/4v = 20832 dm3
v penuh = 20832 x 4
= 83328 dm3
v = p x l x t
83328 = 62 x 48 x t
83328 = 2976t
t = 83328/2976
t = 28 dm

maaf ya kalo salah