Answer:
1 box has 12 chocolates
thus 20 boxes have ( 20 * 12) = 240 chocolates
1 carton has 240 chocolates (20box)
10 cartons have 240 * 10 = 2400 chocolates
19 feet
convert 2 into an improper fraction
2 =
hence the length of the wall is 19 feet
the answer is d(2 units)