1 min ----------- 60 s
60 min --------- x
x = 60 . 60 ⇒ x = 3600 s (1 hora)
____________________
1 hora = 3600 s
20 min ⇒ Se 1 min tem 60 s, 20 min tem 20 . 60 ⇒ 1200 s
3600 s + 1200 s + 40 s ⇒ 4840 s
1h = 60 min = 60 . 60 = 3600s
20min = 20 . 60 s = 1440s
40s = 40s
TOTAL = 4480s
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Verified answer
1 min ----------- 60 s
60 min --------- x
x = 60 . 60 ⇒ x = 3600 s (1 hora)
____________________
1 hora = 3600 s
20 min ⇒ Se 1 min tem 60 s, 20 min tem 20 . 60 ⇒ 1200 s
3600 s + 1200 s + 40 s ⇒ 4840 s
1h = 60 min = 60 . 60 = 3600s
20min = 20 . 60 s = 1440s
40s = 40s
TOTAL = 4480s