Question

Frank has a box of pens. The box contains 6 blue pens, 8 black pens and 3 red pens. Some more blue pens are added to the box. The probability of selecting a blue pen is now 1/2. How many blue pens were added to the box?

Answer 1

Answer: umm i calculated about 10??

Explanation:

Answer 2

I think 10 hope this helps