SOLUTION: A hallway has a area of 63 square feet. The length of the hallway is 7 times longer than the width. What is the length of the hallway.

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Question 750894: A hallway has a area of 63 square feet. The length of the hallway is 7 times longer than the width. What is the length of the hallway.
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Width = x
Length = 7x
Area = x(7x) = 7x^2

7x^2 = 63
x^2 = 9
x = 3
Width = 3 ft
Length = 21 ft