Answer-
The company repaid the money in 3 years.
Solution-
A company borrowed $25,000 at 3.5% and was charged $2,625 in interest. 
Considering the interest as simple interest, 

Here,
Interest = $2625
Principal = $25000
Rate of interest = 3.5% annually
Putting the values,



Therefore, the company repaid the money in 3 years.