What did the firefly say as the sun set algebraic expression?

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.

How do the graphs of y = 1/x and y=5/x+6 compare?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?