Question 650085
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Hi,
A class of {{{12}}} has 8 boys and 4 girls. A committee of 3 has to be chosen. 

 12C3  total choices of a committee
 8C3   number of committes with<u>no girls on a committee</u>

In how many ways can at least 1 girl be chosen to the committee? 
   12C3  - 8C3