document.write( "Question 1195913: A friend of mine gave me this sequence as a riddle. Can you find a rule? 8, 12, 18, 24, 38, 60, 98, 150,
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Algebra.Com's Answer #828545 by ikleyn(52790) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( " You may consider what follows as a \" solution \" or as a joke (or both) - - - on your choice.\r
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document.write( "I separate the given sequence in triples\r\n" );
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document.write( "(1)   8, 12, 18\r\n" );
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document.write( "(2)  18, 24, 38\r\n" );
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document.write( "(3)  38, 60, 98\r\n" );
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document.write( "(4)  98, 150, x\r\n" );
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document.write( "I use first three triples as a learning base to develop a pattern; \r\n" );
document.write( "then I use this pattern to predict x in the last triple.\r\n" );
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document.write( "1st triple: round 12 to the closest multiple of 10. It will be 10.\r\n" );
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document.write( "            Next,  8 + 10 = 18.\r\n" );
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document.write( "2nd triple: round 24 to the closest multiple of 10: it will be 20.\r\n" );
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document.write( "            Next, 18 + 20 = 38.\r\n" );
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document.write( "3rd triple: round 60 to the closest multiple of 10: it will be 60.\r\n" );
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document.write( "            Next, 38 + 60 = 98.\r\n" );
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document.write( "So, my pattern is just developed. Now I apply it to the last triple.\r\n" );
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document.write( "            I round 150 to the closest multiple of 10: it is 150.\r\n" );
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document.write( "            Finally, to predict x, I add 98 and 150:  x = 98 + 150 = 248.    ANSWER\r\n" );
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