Answer:
Pretty Simple!
Step-by-step explanation:
First, what you have to know is that the formula for the area of a rectangle is:

(Length times Width equals the Area.)
Knowing this, we can input 100yd^2 into the equation.

Also, we know that the Length is equal to four times the Width.
Meaning that, we can substitute L with 4W.
Thus:

So, all we have to do now is solve!

Now, multiply that by 4, and we get 20:

That's it!
Happy Algebra/Geometry!
Answer:
i need points lol
Step-by-step explanation:
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The equation for the area of a rectangle is: A = bh, where A = area, b = length of base, and h = height.
You're told that the base, b = 5 in, and the height, h = 2.5 in. Plug these numbers into the equation to find the area:
A = bh
A = (5)(2.5)
A = 12.5

If you include the hundredth place, your answer would be 12.50

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Answer: 12.50
Answer:
B. (8,4)
Step-by-step explanation:
To find the solution of the system, look at where the lines intersect. The intersecting point is (8,4). The solution to the system of equations is (8,4).