Final answer:
The value of n in the equation 924 - 875 = n is 49, so the correct choice is A) n = 49.
Step-by-step explanation:
The student is trying to find the value of n in the equation 924 - 875 = n. To solve this, we simply subtract 875 from 924 which gives us 49. So, n = 49. Now, we need to choose the equation that has the same value as the problem above. The correct choice is A) n = 49, as the other options provide different values or the negative of the correct value.