Please help me on this question :(

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

On a architect's drawing of a house, 1 inche representa 1.5

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) =