Răspuns:
20 minute
Explicație:
v = d/t => t = d/v
t = 18km/(54km/h) = 1/3 h = 20 min
1 h = 60 min
1/3 h = 1/3 × 60m = 20 min
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Răspuns:
20 minute
Explicație:
v = d/t => t = d/v
t = 18km/(54km/h) = 1/3 h = 20 min
1 h = 60 min
1/3 h = 1/3 × 60m = 20 min