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1 vote
There are 9 counters in a bag.

7 of the counters are green.
2 of the counters are blue.
Ria takes a random two counters from the bag.
Work out the probability that Ria takes one counter of each colour.
You must show your working.

2 Answers

6 votes
I agree with him. .
User Crocodile
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8.5k points
5 votes
7/9 green counters  2/9 blue counters 
User DavidJFelix
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7.3k points