document.write( "Question 270714: If a 140lb person burns 320 calories in 4 miles how many miles to burn 100 calories? \n" ); document.write( "
Algebra.Com's Answer #198251 by jessica,tylers(1)\"\" \"About 
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ok 320/4 is 80 so you burn 80 calories per mile
\n" ); document.write( "then you divide 80 by 4 and get 20 calories per half mile.
\n" ); document.write( "Then you add up the calories so 20,40,60,80,100\r
\n" ); document.write( "\n" ); document.write( "so it takes you 1 1/4 mile to burn 100 calories, or 1.25 miles.
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