Answer:
7/30
Step-by-step explanation:
5/6 = 25/30 3/5 = 18/30
25/30 - 18/30 = 7/30
Sas gives 7/30 of the ribbon to her sister.
Hope this helps! :3
Go on math papa 100r^(6)-90r^(3)+8
Because all 3 sides are given for both triangles you can use the SSS theorem