Answer:
1. The total length of board Hannah needs is 2 5/6 feet.
2. 3 1/6 feet will be left over from a 6-foot board.
3. She can make 2 projects out of a 6-foot board.
Step-by-step explanation:
1. 2/3 + 2/3 = 4/3
4/3 = 1 1/3
1 1/3 + 1 1/2 = 2 5/6
2. 6 - 2 5/6 = 3 1/6
3. 2 5/6 + 2 5/6 = 5 2/3