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Mathematics, 17.10.2021 20:00 Onlytrillest

There are some green counters and some blue counters in a bag. The ratio of green to red is 4:1
One counter is removed, not replaced and a second counter is taken
The probability that they are both green is 22/35
How many counters were in the bag before any were moved

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There are some green counters and some blue counters in a bag. The ratio of green to red is 4:1

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