Walt has a box of 80 postage stamps. The box contains 16 stamps featuring the Bald Eagle and 40 stamps featuring the Stars and Stripes.
If Walt randomly chooses a stamp to paste on an envelope, what is the probability that the stamp features the Bald Eagle or the Stars and Stripes?
A) 0.30
B) 0.50
C) 0.70
D) 0.80