Răspuns :
1.
100% - 30% =70%
2.
70........100%
x.............50%
x= 50*70:100=35%
30%+35%=65%
100%-65%=35%
14km...........35%
x...................100%
x=100*14:35= 40 km
100% - 30% =70%
2.
70........100%
x.............50%
x= 50*70:100=35%
30%+35%=65%
100%-65%=35%
14km...........35%
x...................100%
x=100*14:35= 40 km