document.write( "Question 923718: Which is the iterative rule for the sequence: 15.5, 13, 10.5, 8, 5.5, 3, …?
\n" ); document.write( "(Points : 1)
\n" ); document.write( " an = 18 + 2.5n
\n" ); document.write( " an = 15.5 + 2.5n
\n" ); document.write( " an = 18 – 2.5n
\n" ); document.write( " an = 15.5 − 2.5n
\n" ); document.write( "

Algebra.Com's Answer #560267 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
15.5, 13, 10.5, 8, 5.5, 3, …?
\n" ); document.write( "an = 15.5 − 2.5n
\n" ); document.write( "\"15.5+-+2.5+=+13\" etc
\n" ); document.write( "
\n" );