A Piece of Wire
A piece of wire 30cm long is bent into the shape of a rectangle. If the rectangle is twice as long as it is wide, what is its area?
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First, we can create an equation. 2x + x + 2x + x = 30, 6x = 30 and then x is 5. If the width is five then the length would be 20 meaning the area would be 5 ⨉ 10 = 50
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