Jawabanmu

2014-05-01T12:11:38+07:00
Volume = 20 ml = 20 CM
Tekanan = 25cmHg
Volume diubah menjadi 5 ml = 5CM
5/20 x 25cmHg = 6,25 cmHg 
2014-05-01T12:12:50+07:00
P1 V1 = P2 V2
25 x 20 = P2 x 5
P2 = 25 x 20 / 5 = 100mmHg