Jawapan

2016-08-11T21:58:14+08:00
6 is jam 1220 comment to bawah
2016-08-11T22:05:40+08:00
5) 2.2jam/2jam12minit jarak=masa X laju 2 jam (masa) X. 55km/j (laju) =110km Masa=jarak % laju 110km (jarak) % 50km/j (laju) =2.2 jam