document.write( "Question 330237: Can someone please walk me through this?\r
\n" ); document.write( "\n" ); document.write( "Plastic pipe is stacked so that the bottom row has 25 pipes, the next row has 24 pipes, the next row has 23 pipes, and so on until there is 1 pipe at the top of the stack. If a worker removes the top 17 rows of pipe, how many pieces of pipe will be left in the stack?
\n" ); document.write( "___ pieces of pipe \r
\n" ); document.write( "\n" ); document.write( "Thank you,
\n" ); document.write( "Edgar
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Algebra.Com's Answer #236674 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
You have 25 rows of pipe.
\n" ); document.write( "17 rows are removed which leaves rows 18 through 25.
\n" ); document.write( "\"P=18%2B19%2B20%2B21%2B22%2B23%2B24%2B25\"
\n" ); document.write( "\"P=172\" pieces of pipe\r
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