1 dua per lima jam 120 detik=...menit dan caranya y kak

1 jam = 60 menit
2/5 jam = 2/5*60 = 24 menit
120 detik = 120:60 = 2 menit
60+24+2 = 86 menit

2/5 ×60 = 24 menit
120 detik = 2 menit
1 jam = 60 menit
2/5 jam + 120 detik+1jam
= 24+2+60
= 96 menit