I think that this is just showing how you can make different percentages by multiplying/dividing by specific numbers.
Answer:
8
Step-by-step explanation:
Total length of the fabric is 
We need to find the number of scarves can she make if she needs 5/6 of a yard for each scarf.
Let she needs x scarves. So, ATQ

Hence, she can make 8 scarves.
Answer:
The cups cost $3.00 and the plates cost $4.00
Which one is the length, height, and width? After you that then multiple and you should have your answer. Hope this helps!