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OpenStudy (anonymous):
the length of a rectangular piece of steel in a bridge is 5 meters less than double the width. the perimeter of the the piece of steel 20 meters. find the length of the piece of steel. find the width of the piece of the piece of steel.
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OpenStudy (anonymous):
The width is five because when you double five it becomes ten and then you subtract five, causing it to become the original length. 5+5+5+5=20
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