Question 1153344
lower rate is x %
Money M at x%=495
same M at (x+.03)=660
mx=495
mx+.03m=660
substitute 
495+.03m=660
.03m=165
m=5500
now 5500*x=495
x=.09 or 9% ANSWER

other interest rate is 12% or .12
5500*0.12=$660