To find the letter located at the opposite of 3 on the number line with the given placements, we first need to determine the opposite of 3.
The opposite of a number is its negative counterpart, so the opposite of 3 is -3.
Next, we find out which letter is located at -3 based on the placements provided:
- Letter A is halfway between 2 and 3, which means it is at 2.5.
- Letter B is at 1.
- Letter C is at 0.
- Letter D is at -3.
- Letter E is halfway between -2 and -1, which means it is at -1.5.
- Letter F is halfway between -5 and -4, which means it is at -4.5.
From this, we see that Letter D is at -3.
Therefore, the letter located at the opposite of 3 is D.
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