Can Someone Please Check My Answer?

Question

Please help me with the following problem:

 

Find the greatest possible error for each measurement.

 

4 1/2 oz

A. 1/4 oz

B. 2 1/2 oz

C. 1 oz

D. 2 1/4 oz

I know it is not B(I got it wrong.), but I think it  is A. Is this correct?

Please help me by checking my answer. Any help is appreciated!!! :)

Answer 1

i think D but i have no idea what the answer is

Answer 2

wot shood sumwon yuze as basis?????

Mi ges be...yer number hav "1/2" & that impli possabel errer <=(1/2)

dont hav nuthun els tu go bi