document.write( "Question 882741: Using numbers 1 3 5 7 9 11 13 17 19 in 5 steps sum should be 30.We can repeat numbers. \n" ); document.write( "
Algebra.Com's Answer #533050 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "This is a trick question.  It makes you think that you are to add 5\r\n" );
document.write( "of those and get 30.  That's impossible. Here's why:\r\n" );
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document.write( "Any ODD number of ODD numbers will always have an ODD sum.  Since all \r\n" );
document.write( "those numbers are ODD and if you were to use an ODD number, 5, of them, \r\n" );
document.write( "you would always get an ODD number.  Since 30 is EVEN, you would never get\r\n" );
document.write( "a sum of 30 by adding 5 ODD numbers.  So if that were what you were asked\r\n" );
document.write( "to do, it would be impossible.\r\n" );
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document.write( "It's a trick question. You weren't asked to add only 5 numbers. You\r\n" );
document.write( "were asked to use only 5 STEPS. and adding 6 numbers only requires 5 steps.\r\n" );
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document.write( "Since you can repeat numbers, we may as well use the fact that 30 = 5×6, or \r\n" );
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document.write( "5+5+5+5+5+5=30\r\n" );
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document.write( "Step 1: Add the first two 5's, get 10\r\n" );
document.write( "Step 2: Add the third 5, get 15\r\n" );
document.write( "Step 3: Add the fourth 5, get 20\r\n" );
document.write( "Step 4: Add the fifth 5, get 25\r\n" );
document.write( "Step 5: Add the sixth 5, get 30\r\n" );
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document.write( "That's only 5 steps.  :) \r\n" );
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document.write( "Edwin
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