If there are 44 countries in Europe, out of 195 countries in the world, what percent of countries are in Europe?

How do i get the answer for 2/3 * 10/3

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?