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slava [35]
3 years ago
14

A bag contains 5 blue coins and 7 red coins. A coin is removed at random and replaced by three of the

Mathematics
1 answer:
patriot [66]3 years ago
4 0

Answer:

8              4

-                -

18             9

Step-by-step explanation:

sorry i dont know how to put a fraction but that is the answer because  after the red coin is removed and the 3 blue coins are added  there will be 9-1=8 red coins and 7+3=10 blue coins for a total of 8+10 coins the probability of then choosing  a red coin is then the answer  put up there tell me if that helped please!

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