document.write( "Question 117608: My problem is: 7xy (seven hundred and something) times 4z (forty something) = abcde. the variables are each a different whole number between 0 - 9 - excluding 7 and 4 which is already used. I've found a few things to narrow the problem down - such as the answer should be between 29442 (701 X 42) and 38514 (786 x 49) and that I don't thing y or z can be 0 or 1. - your help is appreciated. \n" ); document.write( "
Algebra.Com's Answer #85623 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! I tried to look for something useful to help with this problem. \n" ); document.write( "I made 7xy equal to (700 + 10x + y). \n" ); document.write( "I made 4z equal to (40 + z). \n" ); document.write( "Then multiplied those together to get \n" ); document.write( " \n" ); document.write( "That didn't inspire any great thoughts. \n" ); document.write( "In the end I worked up a simple EXCEL spreadsheet that cycled through the available numbers until it worked. \n" ); document.write( "A less than elegant solution. \n" ); document.write( "I'm not sure of the benefit of the exercise. \n" ); document.write( "But here's the answer. \n" ); document.write( " |