I need help with algebra
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The equation which is used to determine x, the width of the window is, . Option B shows the correct expression for width x of the window.
Length is describing how long is the object. The width is defined as how wide is the object.
Given that the width of the window is 4.9 feet. The length is given as 0.6 feet less than 2.5 times its width.
The height of the window is given as,
The other height of the window is given as,
When equating both equations, we get,
Therefore, an equation which is used to determine x, the width of the window is, . Option B shows the correct expression for width x of the window.
To know more about the length and width, follow the link given below.
Let w be the width and l the length of the rectangle.
Then:
Solving the above system we get:
Therefore:
then 
,which is the length,
And then the width
Then:
Solving the above system we get:
Therefore:
And then the width