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Tiffany is making a display board for the school play.The display board is a 9 ft by 9 ft rectangle. If ribbon costs $1 per foot, how much will it cost to add a ribbon border around the entire display board?

Respuesta :

Answer:

$36 for 36 sq ft

Step-by-step explanation:

leecapman

Answer:

$36

Step-by-step explanation:

If the board is 9ft by 9ft, that means all for edges are 9 ft long. Therefore, multiply 9 by 4 to the total perimeter.

9x4=36ft

If the ribbon is $1 per foot, multiply the perimeter by the cost per foot.

36 ft x $1/ft = $36

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