From one longer board, Mark makes 4 boards that are each 1 ft. long and 2 boards that are ft. long. What is the minimum length the original boar
As decimals: 1 1/4 = 1.25 and 7/8 = 0.875
4(1.25) + 2(0.875) = 5.00 + 1.75 = 6.75 feet long
So, the board must be at least 6.75 feet long.