She is making MONTHLY payments, so you have to look at the MONTHLY interest
.03 / 12 = .0025 is the 'r' in the equation AND 'n' will be the number of MONTHS
n= 10 yrs x 12 mos/yr = 120 periods
= 95 (1+ .0025)^120 -1)/.0025 = $ 13275.43
She is making MONTHLY payments, so you have to look at the MONTHLY interest
.03 / 12 = .0025 is the 'r' in the equation AND 'n' will be the number of MONTHS
n= 10 yrs x 12 mos/yr = 120 periods
= 95 (1+ .0025)^120 -1)/.0025 = $ 13275.43