I FOUND YOUR COMPLETE QUESTION IN OTHER SOURCES. SEE ATTACHED IMAGE. For this case what you need to know is how much tape Alex needs. We have then: "He needs 7 sections of ribbon with a length of 3/4 yard" In other words: (7) * (3/4) = 5.25 yards. Therefore, the amount of tape that will be left over will be: 30.2-5.25 = 24.95 yards. Answer: after Alex cuts the 7 pieces will remain 24.95 yards of ribbon