# SOLUTION: The width of a rectangle is 6km less than twice its length. If its area is 216km, find the dimensions of the rectangle. Here's what I came up with: 2x-6=216 2x-6+6=216+6 2

Algebra ->  Algebra  -> Rectangles -> SOLUTION: The width of a rectangle is 6km less than twice its length. If its area is 216km, find the dimensions of the rectangle. Here's what I came up with: 2x-6=216 2x-6+6=216+6 2      Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Geometry: Rectangles Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Rectangles Question 111331: The width of a rectangle is 6km less than twice its length. If its area is 216km, find the dimensions of the rectangle. Here's what I came up with: 2x-6=216 2x-6+6=216+6 2x=222 x=111 I'm not sure about this. word problems stump me sometimes.Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!let x=length, so 2x-6=width ___ (x)(2x-6)=216 ___ 2x^2-6x=216 ___ x^2-3x-108=0 (x-12)(x+9)=0