In a box, there are only green pens and blue pens. The number of blue pens is three more than the number of green pens. If there are more than 12 pens in the box, Simon randomly selects two pens. The probability of drawing two pens of the same color is 27/55. How many green pens are in the box?
A) 5
B) 6
C) 7
D) 8
Answer:
C) 7
There are only green and blue pens in a box
