SOMEONE PLEASE HELP FOR A KISS

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.

Can someone me do math because i am having a breakdown rn because i don’t get it

2/3(-6y+9x) expand each expression using the distributive property