SOLUTION: The length of a rectangular piece of steel in a bridge is 3 meters less than double the width. The perimeter of the piece of steel is 24 meters. Find the length of the piece of ste

Question 749022: The length of a rectangular piece of steel in a bridge is 3 meters less than double the width. The perimeter of the piece of steel is 24 meters. Find the length of the piece of steel. Find the width of the piece of steel.
Found 2 solutions by solver91311, timvanswearingen:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Width:

Length:

Perimeter:

So,

Solve for , then calculate

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it

Answer by timvanswearingen(106) (Show Source): You can put this solution on YOUR website!
Let w represent the width. Then the length is 2w-3 (3 less than twice the width)

Plug in for l and w:

Distribute:

Combine like terms:

Add 6 to both sides:

Divide both sides by 6:

Now find l:

The width is 5 meters and the length is 7 meters.
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