SOLUTION: can you please help me with the problem?! the length of a rectangle is 3 inches more than its width. Write an equation for the area of the rectangle in terms of width, w.

Question 189084: can you please help me with the problem?!
the length of a rectangle is 3 inches more than its width.
Write an equation for the area of the rectangle in terms of width, w.

Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Let w be the width and l be the length.

We know that the area of a rectangle is the length times the width, so:

But for this particular rectangle we are given that the length is 3 inches more than the width, so we can say:

Now we can substitute this expression for the length into the area formula in place of l to create an area function of width:

John

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