Abcdefg
There cannot be more than two because there are only two vowels, e and a. But it has to be 4 lettered, which limits a lot of option, so there can only be one 4-letter code.
Width=w
length=(40-2w)/2=20-w
A=w(40-w)
A=40w-w²
A'=40-2w=0
2w=40
w=20
20x20 is the size of the pen having the greatest area. this tells us the largest rectangle for a given perimeter is a square
Answer:
As per the given condition:
A new shirt costs $14.99.
If the shirt has a sale for
off its price.
Now, we find how much you save on this shirt:
First find the
of $14.99
i.e,

⇒ you have the discounted value is $ 3 .
You pay for the shirt is: $14.99 -$ 2.998 = $11.992
Therefore, you would save $2.998 or $ 3 in buying your new shirt.