Manuela has a piece of red ribbon 7 1/2 feet long. She cut the ribbon to have one piece 1% feet long. How long is the piece of ribbon that is left? Oa. 5% feet We can subtract the two whole numbers to give us 6 feet. When we subtract the fractions from each other that gives us 1/2. When we take 1/2 from 6 we get the amount of ribbon left. O b. 6% feet We can subtract the two whole numbers to give us 6 feet. When we subtract the fractions from each other that gives us . We combine the two numbers and we get the amount of ribbon left. O c. 6 feet We can get the amount of ribbon left by just subtracting the two whole numbers in the problem. O d. 5% feet. We can subtract the two whole numbers to give us 6 feet. When we subtract the fractions from each other that gives us 4. When we take from 6 we get the amount of ribbon left.