Pls help will give brainlist

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Someone me what is the area of this figure? 18m 18m 8m 16m

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal