Answer:
c
Step-by-step explanation:
150 is a good sample of a middle school and students at lunch is random again because most students eat lunch
3/5n - 4/5 = 1/5n....multiply everything by 5 to get rid of the fractions
3n - 4 = n
-4 = n - 3n
-4 = -2n
-4/-2 = n
2 = n <==
1/4, 1/2, 4/7, and 2/3. I hope this helps!
What do u want to find the domain and range of?
