Question 368962
Starts with 220 yards of fencing.  In the morning 80 yds is put up.
SO,

220-80=140.  Then 40% of remaining (140) is put up.
140*.40=56.  What is percentage put up in that one day??
140+56=196  To find percentage divide amount used by beginning amount.
196/220=.89 or 89%

Good Luck!