mindy had 13 flowers. she gave some to sarah. she has 9 left. how many flowers did she give to sarah?
1 answer:
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Answer:
Step-by-step explanation:
We have to select george but not nina with two other people
No. of ways selecting 2 two people knowing Geroge will be the third one is
(beacuse we have to exclude Nina)
And total no of ways of selecting 3 people out of 8 people is
Therefore the required Probability is
=