There are a total of 122 countries in Africa, Europe, and North America (as of 2012). Europe has twice as many countries as North America, and Africa has seven more than Europe. How many countries are in each of these three continents? Write an equation and solve it to answer this question. Homework Help ✎
The total number of countries in all three continents is
So, there are
Remember to find the number of countries in Europe and Africa.