SOLUTION: the lenght of a rectangle is 6 inhes longer than the width. If the perimeter is 40 inches , what are the dimensions of the rectangle?

Question 611465: the lenght of a rectangle is 6 inhes longer than the width. If the perimeter is 40 inches , what are the dimensions of the rectangle?
Answer by radh(108) (Show Source): You can put this solution on YOUR website!
We know that perimeter is , so let's plug what we have into this equation. .
Now, we just simplify: .
We end up with . Divide the four:
Now we know that the width is 7, and we plug that into the original formula. to
So, the width is 7 and the length is 13!
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