SOLUTION: The longest runway at LA Airport has the shape of a rectangle and an area of 1,813,500 square fee. This runway is 150 feet wide. how long is the runway. May I have step by step

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Question 1015352: The longest runway at LA Airport has the shape of a rectangle and an area of 1,813,500 square fee. This runway is 150 feet wide. how long is the runway. May I have step by step instructions, please?
Found 2 solutions by FrankM, josmiceli:
Answer by FrankM(1040)   (Show Source): You can put this solution on YOUR website!
Area is length times width.
You have area, 1,813,500 and width 150.
1,813,500=L*150
L=1,813,500/150
12090 feet

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
The area of a rectangle is

where = area in ft2
= height in ft
= width in ft
-------------------
I'll call the length of the runway , so
The area of the runway is , so
ft
The width of the runway is:
ft
------------------


Divide both sides by

ft
The length of the runway is 12,090 ft

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