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.
Algebra.Com
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) (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
RELATED QUESTIONS
the area of a large hallway is 24 square feet meters. the width of the hallway is 2... (answered by Alan3354,TimothyLamb)
A rectangular hallway has an area of 70ft2. The width of the hallway is 4 feet. What is... (answered by MathLover1)
A square room and a hallway are to have carpet laid on the floor.
123 m^2 of carpet is... (answered by josgarithmetic)
An electrician is carrying a ladder horizontally around a corner from one hallway to... (answered by Alan3354)
An electrician is carrying a ladder horizontally around a corner from one hallway to... (answered by Alan3354,ikleyn)
An electrician is carrying a ladder horizontally around a corner from
one hallway to... (answered by Alan3354)
a carpenter is carrying a ladder horizontally around a corner from one hallway to... (answered by Alan3354)
Two hallways of fixed widths (A) and (B) meet at a right angle. What is the greatest... (answered by jim_thompson5910)
The area of a rectangles is 63 square feet.The length is 2 feet longer than the... (answered by nyc_function)