How can 6.45 be written as a mixed number?

Mary had at least an 80% on her test write an inequality to represent this situation

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?

Use the distributive law to multiply. 3(4x + 5y + 6)