document.write( "Question 1110917: A two-digit number is 6 times the units digit. Find the number if the sum of its digit is 6. \n" ); document.write( "

Algebra.Com's Answer #725929 by ikleyn(52790) $\"\"$ $\"About$

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document.write( "Answer.  24.\r\n" );
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document.write( "If the decimal form of number is  \"ab\",  them\r\n" );
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document.write( "10a + b = 6b,   according to the condition.\r\n" );
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document.write( "It implies  10a  = 5b,   or   b = 2a.\r\n" );
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document.write( "The sum of the digit  is 6:\r\n" );
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document.write( "a + b = 6 = a + 2a = 3a  ====>  a = 2;  b = 4.\r\n" );
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document.write( "The number is  \"ab\" = 24.\r\n" );
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