Question

me ajudem na questão 16

Answer 1

30 (homens) × 12 (dias) × 8 (horas) > 1 (Km)
20 (homens) × X (dias) × 12 (horas) > 2 (Km)

30.12.8 > 1
20.X.12 > 2

2880 > 1
240x > 2

240x = 2880
x=2880/240
x=12 dias