document.write( "Question 1092574: US interstate highway's post numbered markers every mile to indicate location in case of an accident or breakdown in many states The numbers increase from west to east the sum of two consecutive mile markers on I 80 in Iowa is 459 how do I find the numbers on the markers \n" ); document.write( "
Algebra.Com's Answer #707181 by josmiceli(19441)\"\" \"About 
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Call the consecutive numbers \"+n+\" and \"+n%2B1+\"
\n" ); document.write( "\"+n+%2B+n+%2B+1+=+459+\"
\n" ); document.write( "\"+2n+%2B+1+=+459+\"
\n" ); document.write( "\"+2n+=+458+\"
\n" ); document.write( "\"+n+=+229+\"
\n" ); document.write( "and
\n" ); document.write( "\"+n+%2B+1+=+230+\"
\n" ); document.write( "The markers are 229 and 230
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