Answer:
Total ten students can feed on 6 slices of pizza with each student getting
of a pizza slice
Step-by-step explanation:
Given-
Teacher wished to give
of a pizza slice to each student
This means that each student will get only
one slice of pizza
Now the total number of slices of pizza 
Thus,
of a pizza slice to each student
total number of students 
Rearranging the above equation, we get -

Where X is the number of students

Total ten students can feed on 6 slices of pizza with each student getting
of a pizza slice