Please help! If you do you will get 'Brainliest'

What properties allow transformation to be used as a problem solving tool

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3