The correct answer is 9.76 :)
Answer:

Step-by-step explanation:
<u><em>The complete question is</em></u>
Jessica has 84.5 yards of fabric to make curtains. She makes 6 identical curtains and has 19.7 of fabric remaining. How many yards of fabric does Jessica use per curtain?
Let
x-------> amount of yards of fabric that Jessica used per curtain
we know that
The length of 6 identical curtains plus the length of the fabric remaining, must be equal to the total yards of fabric'
so
The linear equation that represent this situation is
Solve for x

I can’t really explain but this is my working step by step, hope u can understand and see if it helps you :)
6÷40.5= $6.75 per hour
8÷54= $6.75 per hour
y= 6.75x