Respuesta :

simple interest
I=PRT
I=interst
P=principle (present amount)
R=rate (in decimal)
T=time in years

200=Principal
6%=0.06=R
T=10 years

I=200(0.06)(10)
I=12(10)
I=120

ok so she earns 120
add that
200+120=320


she has $320 after 10 years