SOLUTION: Larry wants to buy some carpeting for his living room. the length of the room is 3 times the width and the total area of the room is 12 square meters. what is the lenth of the li

Algebra ->  Surface-area -> SOLUTION: Larry wants to buy some carpeting for his living room. the length of the room is 3 times the width and the total area of the room is 12 square meters. what is the lenth of the li      Log On


   

Question 723692:
Larry wants to buy some carpeting for his living room. the length of the room is 3 times the width and the total area of the room is 12 square meters. what is the lenth of the living room?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
L=3W
AREA=LW
12=3W*W
12=3W^2
W^2=12/3
W^2=4
W=SQRT4
W=2 METERS ANS. FOR THE WIDTH.
L=3*2=6 METERS FOR THE LENGTH,
PROOF:
12=6*2
12=12