Question

Out of the first 15 serves in a volleyball game, 0.6 of them were in bounds. How many of them were not in bounds?

Answer 1

6 serves were not in bounds. 
.6=3/5
3/5=9/15
15-9=6

Answer 2

The answer is 6 because 60 percent went in which is 9.  the other 40 percent is 6