Question

2,5jam=..... menit
3000detik=....jam
720detik=....jam
45menit=....jam

Answer 1

2.5 jam = 150 menit
3000 detik= 5/6 jam
720 detik = 0,2 jam
45menit= 3/4 jam

Answer 2

1 jam = 60 menit
2,5 jam = 2,5 x 60 
              = 150 menit
1 detik = 1/3600 jam
3000 detik = 1/3600 x 3000 
                    =0,,83 jam
720 detik = 1/3600 x 720
                  =0,2 jam
1 menit = 1/60 jam
45 menit = 45 x 1/60 
                =0,75 jam