I think it’s 140 I hope this helps
7x- y = 17 is the standard form
Given :
Amount, A = 5760 Rs.
Interest in the amount, I = 1526 Rs.
To Find :
We need to find the % rate of interest.
Solution :
Let, us assume it is simple interest.
So,

Hence, this is the required solution.
I would think either 10 or 200 would be a good choice for a random sample to take place.