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3 years ago

12

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. Th

e probability of selecting a blue pen is now 1/2. How many blue pens were added to the box?

2 answers:

polet [3.4K]3 years ago

7 0

Answer: umm i calculated about 10??

Step-by-step explanation:

sammy [17]3 years ago

3 0

I think 10 hope this helps

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