Jawabanmu

2014-09-10T17:46:41+07:00
1 per 4 x 60 = 15 menit 1 per 2 jam x 60 = 30 menit 2 jam x 60 = 120 menit
2 5 2
2014-09-10T17:49:54+07:00
1 jam = 60menit

1/4 jam=...menit=1/4x60=15menit
1/2 jam=...menit=1/2x60=30menit
2 jam=....menit= 60x2 atau 60+60= 120 menit