Jawabanmu

2014-03-12T21:48:27+07:00
D=20 cm,r=10
t=70 cm.
V= 22/7.r^2.t
22/7.10.10.70
=22000 cm3 = 22000 ml=22 L

8500.22L= 187.000 rupiah.

Maaf kalau salah.