Răspuns:
o saptamana are 7 zile ,legal se lucreaza 5 zile ,sambata si duminica fiind zile libere (optional in anumite puncte de lucru)
1 saptamana ..........5 zile
9 saptamani................x
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x=9·5=45 zile
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1 saptamana ..........5 zile
6 saptamani................x
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x=6·5=30 zile