The answer is F because you need to find the unit rate. To find the unit rate, you have to divide 2 / 1.6 which will be 1.25. That is why the answer is F.
It has to be F because that's how you find the unit rate, It's quite simple in this situation, in order find the unit rate you divide 2 / 1.6 which is 1.25 so you would get the answer F because that's what matches.
I hope this helps you on you assignment, have a good rest of your day.