document.write( "Question 921099: Find a four-digit number that satisfies the following: The digits are all different, the sum of the four digits is 7, each digit is larger than the one to its right, and the ones digit is zer \n" ); document.write( "
Algebra.Com's Answer #558701 by Edwin McCravy(20060)\"\" \"About 
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document.write( "The tens digit can't be 2 or larger for even if it were 2,\r\n" );
document.write( "the smallest the number could be would be 4320, and the\r\n" );
document.write( "sum of the digits would be 9 not 7,\r\n" );
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document.write( "So the tens digit can only be 1\r\n" );
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document.write( "_ _ 1 0\r\n" );
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document.write( "The first two digits have to have sum = 6, and so the only\r\n" );
document.write( "two different digits greater than 1 which have sum 6 are 4 and 2.\r\n" );
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document.write( "So the answer is \r\n" );
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document.write( "4 2 1 0\r\n" );
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document.write( "Edwim
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