asked 177k views
4 votes
BESTIES,HELP PLS

All students in Ridgewood Junior High School either get their lunch in the school cafeteria or brought it from home on Tuesday. 20% of students brought their lunch. 31 students brought their lunch. How many students in total are in Ridgewood Junior High School?

asked
User Rjmurt
by
8.3k points

1 Answer

2 votes
155

because if 20% is 31, add up all the percents (2%x50% is 100%), multiply 31 by 5 and you get 155
answered
User Ivnhal
by
7.7k points
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