SOLUTION: a rectangle has a perimeter of 160' and the width is x and the lenght is 2x-10. What would the area also be.
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Question 244979: a rectangle has a perimeter of 160' and the width is x and the lenght is 2x-10. What would the area also be.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
2W+2L=perimeter.
2x+2(2x-10)=160
2x+4x-20=160
6x=160+20
6x=180
x=180/6
x=30
2*30=60 for the width.
2*30-20=60-20=40 for the length.
Area=LW
Area=60*40=2,400 ans.
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