document.write( "Question 158276: From a base elevation of 6400 ft. a mountain peak in Colorado rises to a summit elevation of 14725 ft over a horizontal distance of 15841. Find the grade of the peak.\r
\n" ); document.write( "\n" ); document.write( "The grade of the peak is 52.55 %
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Algebra.Com's Answer #116708 by checkley77(12844)\"\" \"About 
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(0,14.725-6,400) & (15,841,0)
\n" ); document.write( "(0,8,325) & (15,841,0)
\n" ); document.write( "slope=(y2-y1)/(x2-x1)
\n" ); document.write( "slope=(0-8,325)/(15,841-0)
\n" ); document.write( "slope=-8,325/15,841
\n" ); document.write( "slope=-.5255 is the grade.
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