Answer:
1.5 years
Explanation:
Simple Interest I = PRT
Principal = 2500, Rate R= 8.5%, SI = 318.75, T = ?
Now, substituting the above value
318.75 = 2500*0.085 * T
T = 318.75 / 2500*0.085 years
T = 318.75 / 2500*0.085 years
T = 318.75 / 212.5 years
T = 1.5 years