We want combinations. How many ways can we choose 3 boys from 8 boys:

8 choose 3 = 56

We want combinations. How many ways can we choose 3 girls from 10 girls:

10 choose 3 = 120

Our total choices are found by multiplying each event:

Total committees = (8 boys choose 3) * (10 girls choose 3)

Total committees = 56 * 120

Total committees =

**6,720**