document.write( "Question 58448: For every 20ft. of chain link fencing, 80 support posts are used. How many suport posts will be needed for 45ft of chain link fence? Write the proportion that could be used to solve this problem, using the variable x \r
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Algebra.Com's Answer #40028 by Nate(3500)\"\" \"About 
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x/45 = 80/20
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