I need the answer fast pls

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.

Which expression is equivalent to -5(3x - 6/7)

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8