(this is the last one I need done pleasee help me)

Answer:
she will have to pay $113.40 extra for intrest over three years
Step-by-step explanation:
6 percent intrest would be 0.06 so times that by 630 to get the yearly intrest and then times that by 3 to get it after three years
therfore the answer would be 113.40
hope this helps