720detik tambah 10 menit =……..menit

720 detik + 10 menit = … menit

===========================

1 detik = 60 menit

==========================>>>

720 detik : 60 = 12 menit ===>>>

720 detik + 10 menit = … menit ===>>>

12 menit + 10 menit ===>>>

22 menit