A rectangular room is 4 times as long as it is wide, and its perimeter is 80 meters. Find the dimension of the room

Respuesta :

Then the length of the room is 4w . So the perimeter of the room is w+4w+w+4w=10w . Divide both sides by 10 to get w=8 . Hence the width of the room is 8 meters and the length is 4w=32 meters.
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