savagegul09 savagegul09

24-03-2016
Mathematics

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according to Interstate Highway Standards, U.S. and state highway traffic lanes must be at least 12 feet wide. Write an inequality to represent the widths that traffic lanes can be.

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SchwarzschildRadius SchwarzschildRadius

24-03-2016

So,

"at least" means that is the minimum acceptable amount. So we will use the "greater than or equal to" symbol.

Let "w" represent the width of the traffic lane.

w ≥ 12 ft.

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