Final answer:
The sentence 'Six more than one-third of a number n equals 5' correctly represents the equation n/3 + 6 = 5 by translating the phrase to the mathematical expression.
Step-by-step explanation:
The correct sentence to represent the equation n/3 + 6 = 5 is 'Six more than one-third of a number n equals 5.' This translates directly to the given equation, where 'one-third of a number n' corresponds to n/3, and 'six more than' refers to adding 6 to this fraction. The phrases 'six more than' and 'one-third' are crucial in understanding how the words of the sentence line up with the symbols in the equation.