Can someone help me on this plz and thank u

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?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Find the commission on a $590.00 sale if the commission is 15%.