Răspuns:
de joi ora 10:00 pana vineri ora 10:00 sunt 24h
de vineri ora 10:00 pana sambata sunt 24h
de sambata ora 10:00 pana la ora 22:00 sunt 12h
24+24+12=60h
60×5/12=60×5:12=25min
22:00+0:25=22:25 va indica ceasul
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P=2(L+l)
L=1,5l
400=2(1,5l+l)
400:2=2,5l
l=200:2,5=>l=80m
L=80×1,5=>L=120m
A=L×l=>A=80×120=>A=9600m²=96ari
1ar=100m²
96×0,8=76,8 t rosii
