Jawabanmu

2014-02-19T19:34:18+07:00
2(3p + 1/4) = 5 (2p - 1/4)
6p+2/4 = 10p - 5/4
2/4 + 5/4 = 10p - 6p
7/4 = 4p
7 = 16p
p = 7/16