Add the fractions and give me the answer?

3. solve the given inequality and graph the solution on a number line.

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) =

Tom drove 206 miles in 3.9 hours. estimate his average speed.