1+5= what does this equal

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?

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base