document.write( "Question 1104821: A stack of poles has 70 poles in the bottom row, 68 poles in the next row, and so on, with 6 poles in the top row. How many poles are there in the stack? \n" ); document.write( "
Algebra.Com's Answer #719527 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"70-2%28n-1%29\", the general term for arithmetic sequence\r
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\n" ); document.write( "\n" ); document.write( "\"70-2%28n-1%29=6\"
\n" ); document.write( "Solve for n, the number of rows\r
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\n" ); document.write( "\n" ); document.write( "\"70-2n%2B2=6\"
\n" ); document.write( "\"72-6=2n\"
\n" ); document.write( "\"2n=66\"
\n" ); document.write( "\"n=33\"\r
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\n" ); document.write( "\n" ); document.write( "Total of poles in ALL the rows? \r
\n" ); document.write( "\n" ); document.write( "\"%2833%2F2%29%2870%2B6%29\"-----based on formula for sum of arithmetic sequence
\n" ); document.write( "\"33%2835%2B3%29\"
\n" ); document.write( "\"highlight%281254%29\"
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