Please solve this MATH Question!!!

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.

What could explain what happened when the time was equal to 120 minutes

In which form is the following function written? y = - 2(x – 3)(x + 5)