Question 906108
Assuming simple interest


I = P*r*t


864 = 9600*0.08*t


864 = 768*t


864/768 = t


1.125 = t


t = 1.125


It will take 1.125 years


1.125 yrs = 1 + 0.125 = 1 + 12*0.125 = 1 + 1.5 = 1 year, 1.5 months


Put another, way, it will take 1 year & 1.5 months. You'll most likely have to round up to the nearest month.