# SOLUTION: the rectangle has a premiter of 64cm. the length needs 4cm. to be twice the size as the width please slove and explain

Algebra ->  Algebra  -> Rectangles -> SOLUTION: the rectangle has a premiter of 64cm. the length needs 4cm. to be twice the size as the width please slove and explain      Log On

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 Question 69899: the rectangle has a premiter of 64cm. the length needs 4cm. to be twice the size as the width please slove and explainAnswer by ptaylor(2048)   (Show Source): You can put this solution on YOUR website!Perimeter of rectangle=2*length+2*width=2L+2W=64 cm Let x=width Then 2x-4=length 2L+2W=2x+2(2x-4)=64cm 2x+2(2x-4)=64 cm get rid of parens 2x+4x-8=64 cm add 8 to both sides 2x+4x-8+8=64+8 collect like terms 6x=72 divide both sides by 6 x=12 cm---------------width 2x-4=2*12-4=20 cm-------------length CK 2L+2W=40+24=64cm Hope this helps----ptaylor