Respuesta :
I'm assuming that $14638.75 is the amount paid in total (with interest)

2,388.75 + 12,250 =12,250(6.5)^×
(14638.75÷12250)= 6.5^x
1.195= 6.5^x
log 1.195= x log 6.5
log 1.195÷ log 6.5 = x
.18= x
(14638.75÷12250)= 6.5^x
1.195= 6.5^x
log 1.195= x log 6.5
log 1.195÷ log 6.5 = x
.18= x