# Math!!

posted by
**Cindy**
.

Sally deposited $3600 and the annual rate of interest is 6.5%. What is the interest amount for a 30-month period?

I = prt.

I = amt of interest

p = principal

r = rate (0.065 per year)

t = time in years = 2.5 years

I = 3600*0.065*2.5 = ??