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The perimeter of a rectangle is the sum of its sides, so 2 lengths plus to widths:

P = 2l + 2w

We know P and w:

730 = 2l + 2(75)

730 = 2l + 150

Subtract 150 from both sides:

580 = 2l

Divide both sides by 2:

290 = l

The length is 290 meters.

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12y ago

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