document.write( "Question 1208181: Solve the missing number\r
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Algebra.Com's Answer #846426 by mccravyedwin(407)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "We begin with the first row, by adding the first two numbers:\r\n" );
document.write( "25+35=60 then we subtract 13.  Why subtract 13? Because we \r\n" );
document.write( "don't like unlucky numbers, \r\n" );
document.write( "60-13=47.\r\n" );
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document.write( "For the second row, we switch to multiplication.  Why switch\r\n" );
document.write( "to multiplication? Because we like to alternate between addition\r\n" );
document.write( "and multiplication.  We like variety.\r\n" );
document.write( "17x5=85.  Then to determine what we subtract this time,\r\n" );
document.write( "we add 1 to each digit of what we subtracted last time, \r\n" );
document.write( "which was 13. \r\n" );
document.write( "Adding 1 to each digit of 13, we get 24. \r\n" );
document.write( "So we subtract 24 from 85 and get 61.\r\n" );
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document.write( "For the last row, we switch back to addition.\r\n" );
document.write( "We add 11 and 72 and get 83.\r\n" );
document.write( "Then to determine what we subtract this time, \r\n" );
document.write( "we again add 1 to each digit of what we subtracted \r\n" );
document.write( "last time, which was 24. \r\n" );
document.write( "Adding 1 to each digit of 24, we get 35. \r\n" );
document.write( "So we subtract 35 from 83 and get 48. \r\n" );
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document.write( "Answer: 48.  Simple, huh?\r\n" );
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document.write( "Edwin

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