madisonsharp5742 madisonsharp5742

03-07-2017
Mathematics

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A rectangular plot of ground is 5 meters longer than it is wide. It's area is 20,000 square meters. What is the deminsion

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koziadam koziadam

03-07-2017

The formula for area is A = bh
B = Length
H = Width

If B is 5 times longer than H...

A = 5x(x)

Now let's solve

20000 = 5(x)(x)
20000 = 5x^2
/5 /5
4000 = x^2
*square*
20 = x

The height (width) is 20. (x)
The base (length) is 100 (5x -> 5(20) -> 100)

Proof: 20 times 100 = 20000

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