SOLUTION: A park has a permiter of 140. If the length of the park is 20meters more than its width.,what is the are?
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You can put this solution on YOUR website! Take width as x, and since length is 20 longer than width, length should be (x+20).
Perimeter=140
140=2(x+20)+2x
140=2x+40+2x
140=4x+40
140-40=4x
100=4x
x=25
Width=25
Length
=25+20
=45
Area
=Width×Length
=25(45)
=1125m²