cuthbertsontrinity43 cuthbertsontrinity43 15-04-2021 Mathematics contestada Shana has three black pens, two red pens, and four blue pens in her book bag. Shana randomly chooses a pen from her book bag without looking. What is the probability that the pen is red or blue? A. 2/3 B. 2/9 C. 4/9 D. 3/9