Question 1006167
Call their numbers n and q.
We know that n = q - 13.
The value equation is
5n + 25q = 535  (we work in cents)
Now substitute for n and get
5(q - 13) + 25q = 535
5q - 65 + 25q = 535
30q = 600
q = 20 so that
n = 7