SOLUTION: PLEASE HELP The lenght of a rectangle is 1ft more then twice its width, and the area of the rectangle is 45ft^2. I am trying to find the diensions of the rectangle. Length __

SOLUTION: PLEASE HELP The lenght of a rectangle is 1ft more then twice its width, and the area of the rectangle is 45ft^2. I am trying to find the diensions of the rectangle. Length ___

Question 125110: PLEASE HELP

The lenght of a rectangle is 1ft more then twice its width, and the area of the rectangle is 45ft^2. I am trying to find the diensions of the rectangle.
Length _____ft
Width _____ft
THANK YOU IN ADVANCE
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
L=2W+1
AREA=L*W
45=(2W+1)W
45=2W^2+W
2W^2+W-45=0
(2W-9)(W+5)+0
2W-9=0
2W=9
W=9/2
W=4.5 FEET ANSWER FOR THE WIDTH.
L=2*4.5+1
L=9+1
L=10 FEET ANSWER FOR THE LENGTH.
PROOF
4.5*10=45
45=45

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