Answer:
13 +13 +14 ensures he is getting the smallest amount so its 14
Step-by-step explanation:
It’s 2x the size I believe :)
Compute the slope of the line through (-2, -9) and (-4, -17):

Any line perpendicular to this line will have slope -1/4. The one that passes through (0, 10) satisifes

1 - (1/5) = 4/5 yards of ribbon.
(4/5) / (1/10) = 8 Pieces of 1/10 Yard Long Ribbons
Hope that Helped you.