document.write( "Question 965723: In a potato race, 10 potatoes are placed in a straight line 5 meters apart, the first potato being placed 6 meters from the starting point. How many meters does a contestant travel in collecting the potatoes one at a time and placing them in a basket located at the starting point ? \n" ); document.write( "
Algebra.Com's Answer #591453 by Edwin McCravy(20056)\"\" \"About 
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In a potato race, 10 potatoes are placed in a straight line 5 meters apart, the
\n" ); document.write( "first potato being placed 6 meters from the starting point. How many meters does
\n" ); document.write( "a contestant travel in collecting the potatoes one at a time and placing them in
\n" ); document.write( "a basket located at the starting point ?
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document.write( "For the first potato he travels 6 meters up and 6 meters back, \r\n" );
document.write( "so the first term of the sequence is 12.\r\n" );
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document.write( "For the second potato in addition to the 12 m, he travels 5 m \r\n" );
document.write( "more up and 5 m more back, so that's 12+10 or 22 m.  So the \r\n" );
document.write( "common difference is 10 m.\r\n" );
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document.write( "We have an arithmetic sequence with \"a%5B1%5D=12\", \"d=10\", \"n=10\"\r\n" );
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document.write( "\"S%5Bn%5D=expr%28n%2F2%29%282%5E%22%22a%5B1%5D%2B%28n-1%29d%29\"\r\n" );
document.write( "\"S%5B10%5D=expr%2810%2F2%29%282%5E%22%22%2A%2812%29%2B%2810-1%29%2810%29%29\"\r\n" );
document.write( "\"S%5B10%5D=5%2824%5E%22%22%2B%289%29%2810%29%29\"\r\n" );
document.write( "\"S%5B10%5D=5%2824%2B90%29\"\r\n" );
document.write( "\"S%5B10%5D=5%28114%29\"\r\n" );
document.write( "\"S%5B10%5D=570\"\r\n" );
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document.write( "Answer 570 meters\r\n" );
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document.write( "Edwin
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