Jodi borrowed money from her aunt and agreed to pay her 5% simple annual interest. At the end of 3 years, she owes $30 in interest. How much did Jodi originally borrow? A:$150 B:$200 C:$220 D:$300
Her interst will be x (.05)(3yrs) where x is the amount she borrowed
x(.05)(3) = 30
x = 30 /(.05*3) = $ 200.