Mathematics, 17.10.2021 20:30, jakepeavy70
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 were both green is 22/35
How many counters were taken in the bag before they were moved
Answers: 3
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Do you know the correct answer?
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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