I Believe The Answer Is 288.
Answer:
29.7 is the standard deviation :)
You can make 5 full scarves in total.
So with this, I will be using the substitution method. With the first equation, substitute (y+3) into the x variable and solve for y:

Next, now that we have the value of y, substitute it into either equation to solve for x:

<u>And this is how you get your final answer (5,2).</u>