document.write( "Question 938003: The percent grade of a highway is the amount that the highway rises (or falls) in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance.
\n" ); document.write( "A. How many feet does a highway with a six percent grade rise in 2.5 miles of horizontal distance?
\n" ); document.write( "B. How many feet would a highway with a six percent grade rise in 90 miles of horizontal distance if the grade remained constant?
\n" ); document.write( "C. How is percent grade related to slope?
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Algebra.Com's Answer #571393 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
5280ft = 1mi
\n" ); document.write( "A. \".04%2F%281mi%29+=+x%2F%282.5mi%29\" | Cross Multiply to solve x = .1mi 0r 528ft
\n" ); document.write( "B. \".06%2F%281mi%29+=+x%2F%2890mi%29\" = 5.4mi 0r 28,512ft
\n" ); document.write( "C. 100 times slope
\n" ); document.write( "for ex: \"100%28.04%2F%281mi%29%29\" = 4%
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