document.write( "Question 341191: My number has double the number of ones as tens. The sum of the digits is 9.\r
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document.write( "My number is--- \n" );
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Algebra.Com's Answer #244362 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! If we let the ones digit be x and the tens digit be y. \n" ); document.write( "So x + y = 9 \n" ); document.write( "x = 2y \n" ); document.write( "If we substitute, we get \n" ); document.write( "2y + y = 9 \n" ); document.write( "3y = 9 \n" ); document.write( "y = 3 \n" ); document.write( "x = 6 \n" ); document.write( "Our number is 36... \n" ); document.write( " |