SOLUTION: One side of a room is 60cm longer that the other side. What is the length of the short side if the surface of the room is 15,91 m2?

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Question 1058481: One side of a room is 60cm longer that the other side. What is the length of the short side if the surface of the room is 15,91 m2?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Assuming the room is rectangular,
A=L%2AW
15.91=L%28L%2B0.6%29
L%5E2%2B0.6L-15.91=0
%28L-3.7%29%28L-4.3%29=0
Two solutions but only one is positive,
L-3.7=0
L=3.7m
So then,
W=3.7%2B0.6
W=4.3m