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There are 5 boys and 6 girls in a class.  A committee of three students is to be made such that there is a boy and a girl on the comittee. In ho w many ways can the committe be selected?

 Dec 3, 2019

Let's make sure that there is at least one boy and one girl on the comittee. So far we can have 5*6 possibilities

Then we can choose any of the 9 other people

Calculate 5*6*9 to get the answer.


You are very welcome!


 Dec 3, 2019

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