Answer: 2975
Explanation:
Given : A college has a student to teacher ratio of 35 to 2. (1)
Let x be the number of students attend the college.
Then, the ratio of x students to 170 teachers will be
(2)
From (1) and (2), we have

Multiply 170 on both sides , we get

Therefore, the number of students attend the college = 2975