SOLUTION: thirty-five percent of the students at Ross Elementary are 7 years old or younger. If 175 students at Ross are 7 or younger, how many students in all are at Ross?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: thirty-five percent of the students at Ross Elementary are 7 years old or younger. If 175 students at Ross are 7 or younger, how many students in all are at Ross?      Log On


   

Question 524060: thirty-five percent of the students at Ross Elementary are 7 years old or younger. If 175 students at Ross are 7 or younger, how many students in all are at Ross?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +r+ = number of students at R.E.
given:
+.35r+=+175+
+r+=+175%2F.35+
+r+=+500+
There are 500 students at Ross