If bill gates gave everyone in the world his money EQUALLY how much would each person have? Not serious question. You dont have to answer it if you dont want to i just wanted to know.

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.

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee