Muffin Extravaganza has a variety of muffins for sale.

blackberry muffins 10
banana nut muffins 25
chocolate chip muffins 1
blueberry muffins 11
pumpkin spice muffins 3
What is the probability that a randomly selected muffin will be a banana nut muffin?
Write your answer as a fraction or whole number.
P(banana nut muffin)=