The number of countries in each continent in 2014 is shown in the table.What percentage, to the nearest tenth of countries are in North America?11.913.518.023.0

To find the percentage for countries in North America, use the next formula
countries in north america / n total of countries
23 / 54 + 44 +47 +23+14+12
23/194 = 0.118556
and then multiply by 100 to find the %
0.118556*100 = 11.58%
Round to the nearest tenth
11.58% =12%