SOLUTION: The length of a rectangle is one unit more than its width. If the area is 30, square units find the dimensions of the rectangle.

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: The length of a rectangle is one unit more than its width. If the area is 30, square units find the dimensions of the rectangle.      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 635794: The length of a rectangle is one unit more than its width. If the area is 30, square units find the dimensions of the rectangle.
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
L=W+1
LW=AREA
(W+1)W=30
W^2+W=30
W^2+W-30=0
(W+6)(W-5)=0
W-5=0
W=5 ANS. FOR THE WIDTH.
L=5+1=6 ANS. FOR THE LENGTH.
PROOF:
6*5=30
30=30