20sek.=?godz.
nie umiem tego zamieniać :D
3600 sec = 1 godz20 sec = x godz
x = (20 sec x 1godz) : 3600 sec = 1/130 godz < jedna sto trzydziesta godz >20 sec = 1/130 godz .
3600 s --- 1h
20 s --- x h
----------------
x = 20s * 1h/3600s = 1/180 h
20 s = 1/80 h
(20 sekund = 1/80 godziny)
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3600 sec = 1 godz
20 sec = x godz
x = (20 sec x 1godz) : 3600 sec = 1/130 godz < jedna sto trzydziesta godz >
20 sec = 1/130 godz .
3600 s --- 1h
20 s --- x h
----------------
x = 20s * 1h/3600s = 1/180 h
20 s = 1/80 h
(20 sekund = 1/80 godziny)