Marie and amy are cutting ribbons to attach to balloons for amy’s birthday party. each guest’s chair will have one balloon tied to it. each ribbon is 2 3 of a yard, and they have 6 yards of ribbon in total. a number line going from 0 to 6. numbers 0, 1, 2, 3, 4, 5, and 6 are marked on the line. How many ribbons will they cut?
a. one-ninth
b. 4
c. 8
d. 9