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A rectangular tile floor has a width of 5 meters and a perimeter of 21 meters. Which of these is the length of the floor?

A rectangular tile floor has a width of 5 meters and a perimeter of 21 meters Which of these is the length of the floor class=

Respuesta :

DeanR

The perimeter is


21=5+5+L+L


2L=11


L=11/2


Answer: 5.5 meters, last choice



San0711
The answer is 5.5 because 5.5 times 2 is 11 and also 5.5 +5.5 +5 +5 = 11+10, which equals to 21 meters.

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