lenght - a width - b Area= a*b 320=ab b=4/5a 320= 4 a 2 /5 400= a 2 a= 400 a=20 b=16
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The length of the room is 20 feet, and the width is 16 feet. The width is 5 4 of the length, which leads us to these measurements. The area of the room confirms the calculations as it equals 320 square feet.
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