All students in Ridgewood Junior High School either got their lunch in the school cafeteria or brought it from home on Tuesday. 4% of students brought their lunch. 34 students brought their lunch. How many students in total are in Ridgewood Junior High School?

To find the total number of students in Ridgewood Junior High School, we can set up a proportion using the information given.

Let x be the total number of students in the school.

4% of x = 34
0.04x = 34
x = 34 / 0.04
x = 850

There are a total of 850 students in Ridgewood Junior High School.