markel98 markel98

23-05-2020
Mathematics

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A rectangular tile is 18 inches wide. The perimeter of the tile is 76 inches. What is the length of the tile?

Respuesta :

23-05-2020

Perimeter: 2w+2l

We know the width and the perimeter, which is 18 and 76, so let's plug it in.

76=2(18)+2l

76=36+2l isolate the variable x!

40=2l

20=l

every length is 20 inches.

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