SOLUTION: Traffic signs are regulated by the Manual on Uniform Traffic Control Devices. The perimeter of some traffic signs must be 80 inches. Also its length is 8 inches longer than its wi

SOLUTION: Traffic signs are regulated by the Manual on Uniform Traffic Control Devices. The perimeter of some traffic signs must be 80 inches. Also its length is 8 inches longer than its wi

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Question 605003: Traffic signs are regulated by the Manual on Uniform Traffic Control Devices. The perimeter of some traffic signs must be 80 inches. Also its length is 8 inches longer than its width. Find the dimensions of this sign.
Answer by asuar010(338) (Show Source): You can put this solution on YOUR website!
the perimeter formula is 2(l+w)=80 so l+w=40 and if we substitute we get that the length is 8+w so we get 8+w+w=40 so 2w=32 so w=16 and l=24.
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