To estimate the sum of 325 and 169 by rounding to the nearest hundred, we round both numbers:
325 rounds to 300
169 rounds to 200
Now, let's add these rounded numbers:
300 + 200 = 500
So, the estimated sum is 500.
Now, to find the exact sum of 325 + 169:
325 + 169 = 494
So, the exact sum is 494.
The correct answer is C) 494.