51 pieces of 2 inch lengths adds up to 102 inches. These cannot be cut from a strip which is only 66 inches long.
12
The answer is 12. 66/5.5 = 660/55 = 12
34
2 1/4 inch is 9/4 inch long pieces, so if pipe is 36 in long then 36/divided by 9/4 is 36 times 4/9 = 16 pieces
Two pieces, one 9 inches long and the other 45 inches long. If you meant: How many pieces of ribbon 9 inches long can be cut from a piece 54 inches long, then: 54 inches ÷ 9 inches/piece = 6 pieces.
12
12
The answer is 12. 66/5.5 = 660/55 = 12
20.8
4 inches : 5 pieces or 7 inches : 2 pieces or 8 inches : 2 pieces
34
This will depend on how long you would like each piece to be. If each piece is to be 1 inch long, then 115 pieces could be cut. If each piece is 2 inches long, then 57 pieces with 0.5 inches left over If each pieces is 5 inches long, then 23 pieces and so on and so forth.
63/3.5 = 18 Therefore, 18 pieces of 3.5 inches can be cut.
7
2 1/4 inch is 9/4 inch long pieces, so if pipe is 36 in long then 36/divided by 9/4 is 36 times 4/9 = 16 pieces
14 pieces. 4 inches left over.
The loaf was at least 7 x 1 in = 7 inches long