2/5 jam = ... detik
2/5 x 3600 = 1440 detik
Soal nomor 3
120 menit = ... jam
120 menit : 60 = 2 jam
Soal nomor 4
720 detik = ... menit
720 : 60 menit = 12 menit
BERITA REKOMENDASI
Soal nomor 5
180 menit = ... jam
180 : jam = 3 jam
Soal nomor 6
45 menit = ... jam
45 : 60 = 3/4 jam