Can someone help pls

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Look at attachment. has all info needed. need

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?