Answer:
There are 504 right handed students in west junior high school.
Explanation:
Number of left handed students in east middle school = 58
Number of right handed students in east middle school = 609
Number of left handed students at west junior high = 48
Let the number of right handed students are west junior high be = x
As given, there a a proportional relation between the two, we can denote this as:

Now solving for x;


x = 504
Therefore, there are 504 right handed students in west junior high school.