document.write( "Question 1076576: Akim runs 1.75 miles on his first day of training for a road race. The next day, he increases his distance run by 0.25 miles. The day after that, he increases his distance run by another 0.25 miles, and so on.\r
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\n" ); document.write( "\n" ); document.write( "68.5 mi
\n" ); document.write( "69.75 mi
\n" ); document.write( "70.25 mi
\n" ); document.write( "72.5 mi
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Algebra.Com's Answer #691191 by Boreal(15235)\"\" \"About 
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S18=(n/2)[2a1+(n-1)d]
\n" ); document.write( "=9[3.5+17(0.25)]=9*7.75=69.75 miles
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