The main idea of this paragraph is A
Per capita income is the measure of the amount of money earned per person a geographic region. The formula is total income of area divided by the total population.
If you add the two lengths on the left, you can figure out that one side is 100 units and the base is 50. In the smaller triangle, the ratio of base length to side length should be the same. If the big triangle is 50:100, then the small triangles base should be 1/2 it’s side. 1/2 of 60 is...
30 units
Hope this helps :)
Tokyo is the largest city in the world.
