Make a scenario with a yard
0.4335/1 x 10000/10000
=4335/10000
=867/2000
Answer:
10/8 = 5/4x
y=5/4x
hope that answers your question
Step-by-step explanation:
Let the total ribbon Zoe had was x feet.
Out of x feet, she used 3/8 part of it.
Hence, 
3/8 part of the original ribbon is equal to 9 feet.
Hence, we get

=> Multiply 8 on both sides.

Divide both sides by 3


Zoe had 24 feet of ribbon in starting... Answer