1.875 ounces for each student
6v+9f=54
- 9f - 9f
6v=54-9f
/6 /6
v=9-1.5f
v=9-1.5(4)
v=3
A.3
15/45 all you have to do is simplify each number to get your answer
The domain is the set of integers since the number of steps can be positive and negative without a partial step (either you take the step or not).