Name a point that is coplanar with points Q, G, and C. Can someone help me

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.

Could someone me with this question i’ve been stuck on it for 20 minutes

Select the correct answer and solve for y