Final answer:
To find out how much Sam needs to cut from the board, we need to subtract the desired length of the project from the length of the board he has.
Step-by-step explanation:
To find out how much Sam needs to cut from the board, we need to subtract the desired length of the project from the length of the board he has. Sam needs a board that is 2 3/4 feet long, which is equivalent to 11/4 feet. The board he has is 3 1/8 feet long, which is equivalent to 25/8 feet. To find the difference, we subtract 11/4 from 25/8: (25/8) - (11/4) = 25/8 - 22/8 = 3/8 feet. Therefore, Sam needs to cut 3/8 feet from the board for the project.