Răspuns:
21700000...........100%
12000000...........x%
x=(12000000x100):21700000=55,29%
b). (0+5+10+15+20+25+30):12
10) 449964........9016596
1.........…....x
x=9016596:449964=20,03 loc/km patrat Suedia
70280.........4062235
1....................x
x=4062235:70280=57,80 locuitori/km patrat Irlanda
