Răspuns :
l=80hm=8000m
L=900dam=9000m
A=8000*9000=72000000m²
1ha=10000m²
Acum vom aplica regula de trei simpla:
10000m²----------------4,2t ( 4200kg )
72000000m²--------------x
x=72000000*4,2/10000=30240t
Deci varianta B..
L=900dam=9000m
A=8000*9000=72000000m²
1ha=10000m²
Acum vom aplica regula de trei simpla:
10000m²----------------4,2t ( 4200kg )
72000000m²--------------x
x=72000000*4,2/10000=30240t
Deci varianta B..