document.write( "Question 1173921: Determine the sum of the 15 terms of the arithmetic series where the 5th term is 4 and consecutive terms increase by 3.
\n" ); document.write( "A) 195
\n" ); document.write( "B) 285
\n" ); document.write( "C) 182
\n" ); document.write( "D) 169
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Algebra.Com's Answer #799248 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
\n" ); document.write( "arithmetic series: d = 3 5th term = 4
\n" ); document.write( "*\"a%5Bn%5D=a%5B1%5D%2B%28n-1%29%2Ad\"
\n" ); document.write( "\"a%5B5%5D=a%5B1%5D%2B%284%29%2A3\"
\n" ); document.write( " \"a%5B1%5D%2B+12+=+4\"
\n" ); document.write( " \"a%5B1%5D+=+-8\"
\n" ); document.write( " \"a%5B15%5D=-8+%2B14%2A3+=+34\"
\n" ); document.write( "*\"S%5Bn%5D=%28n%28a%5B1%5D%2Ba%5Bn%5D%29%29%2F2\"
\n" ); document.write( "\"S%5B15%5D+=+15%28-8%2B34%29%2F2+=+15%2A13+=+highlight_green%28195%29+\"
\n" ); document.write( " Wish You the Best in your Studies.
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