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A constuction crew is extending a highway sound barrier that is 13 miles long. That crew builds 1/2 of a mile per week. Write an equation that represents the length y (in miles) of the sound barrier after
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A constuction crew is extending a highway sound barrier that is 13 miles long. That crew builds 1/2 of a mile per week. Write an equation that represents the length y (in miles) of the sound barrier after x weeks.

User Kyle Pittman
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the equation is y = 1/2 x + 13, where x is the number of days, and y is the length of the barrier
User Skuda
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