The dimensions are the lengths of the sides. Say that L is the length of the long side, then the short side has length L-20.

The fence is on two of the long sides and one of the short sides (the barn takes care of the other short side).

So 2L + (L-20) = 130. Solve to get 3L = 150, or L = 50. So the length of the rectangle is 50 and the width is 30.

You can cancel the contractor, this is cheaper!

you have three sides to build, one short and two long

the long sides are the same length because the finished’

shape is a rectangle.

the long sides are 20 meters longer than the short side

all the sides total 130meters

call the short side x

call the long sides x + 20

The fence will cover the three sides of the corral.

The formula for the total length of the three sides of

your corral is:

(x + 20) + (x + 20) + x = 130 meters

This can be simplified like this:

x + x + x + 20 + 20 = 130 meters

3x + 40 = 130 meters

3x = 90 meters

x = 30 meters

So the short side of the corral (we called it x ) is 30 meters

The side of the barn is also 30 meters

and that makes the long sides each 50 meters ( x + 20)

So you have a 50 meter by 30 meter corral

Go in to your math teacher and get some good help, each part of this class will build on the last part so make sure you get this part down. It’ll come in handy when you go to build that corral! Good luck.

1) the dimensions are the length(long side) and width(short side.) To go around the corral you would need two long sides and two short sides.

2) But the barn covers one of the short sides, so you only need to fence 3 sides.

3) So, you have 2 lengths and 1 width that equal 130 meters.

4. l+l+w=130 but l=w+20. SO

5. (w+20)+(w+20)+(w)=130

6. 3w+40=130

3w=130-40

3w=90

w=30 The width is 30 meters, The Length is 20m longer, so the length is 50 meters.

7. the dimensions are 30m by 50m. (30+50+50=130m)

the width is 30 because one of the sides is the barn so 30 + 20 = 50 because the length is 20 m longer. 50 +50+30 =130 but next time have someone do it for you next time.

the answer is 30m. the barn is used as one side of the coral, so the two long sides are x+20 and the short side is x. you do (x+20)+(x+20)+(x)=120. just work through the problem and the answer is 30m. hope this helps

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