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OH-Year 9 - Probability Mutually Exclusive events | Baamboozle - Baamboozle | The Most Fun Classroom Games!
The ratio of red to blue counters is 4:3. 4 red counters are added, now the ratio is 2:1. How many counters were in the bag originally? - Quora
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Probability without Replacement [Counters in a bag]. GCSE 9-1 Maths Edexcel June 2017 Paper 1H Q17 - YouTube
![I have two bags of counters.The first bag contains two red counters and one blue counter.The second bag - Brainly.com I have two bags of counters.The first bag contains two red counters and one blue counter.The second bag - Brainly.com](https://us-static.z-dn.net/files/dd4/31ed8400dfbc5478d667eaa7f363f57e.jpg)
I have two bags of counters.The first bag contains two red counters and one blue counter.The second bag - Brainly.com
![Probability without Replacement [Counters in a bag]. GCSE 9-1 Maths Edexcel June 2017 Paper 1H Q17 - YouTube Probability without Replacement [Counters in a bag]. GCSE 9-1 Maths Edexcel June 2017 Paper 1H Q17 - YouTube](https://i.ytimg.com/vi/7U6DFudTtWQ/maxresdefault.jpg)