The answer for what the ratio is for 4% is 4:100
The smallest is 1/(5+1) = 1/6 of the total length, so is (276 in)/6 = 46 in.
The largest is 5*46 in = 230 in.
The two pieces are 46 in and 230 in.
She can cut six pieces and will have ¾ of a piece leftover.
Do you mean 16/24 in simplest form? In that case it would be
16/24 = 8/12 = 4/6 = 2/3