Respuesta :

crisforp
1 min = 60 s;
24 min = 24 x 60 s = 1440 s;
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1h = 60 min = 3600s;
2h = 7200s;
2h 17 min = ( 3600 + 17x60 ) s = ( 3600 + 1120 )s = 4720s;
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1zi = 24h = 1440 min = 86400s;
2h = 7200s;
15min = 900s;
1zi2h15min = (86400 + 7200 + 900)s = 94500s;

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