document.write( "Question 1111392: A number between 20 and 30 and is three times the sum of its digits. What is the number?\r
\n" ); document.write( "\n" ); document.write( "How do you work this problem \n" ); document.write( "
Algebra.Com's Answer #726385 by mananth(16946)\"\" \"About 
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A number between 20 and 30 and is three times the sum of its digits. What is the number?\r
\n" ); document.write( "\n" ); document.write( "Let the number be 10x+y\r
\n" ); document.write( "\n" ); document.write( "but x=2
\n" ); document.write( "the number is 20+y
\n" ); document.write( "(20+y) = 3(2+y)
\n" ); document.write( "20+y = 6+3y
\n" ); document.write( "2y=14
\n" ); document.write( "y=7
\n" ); document.write( "the number is 27\r
\n" ); document.write( "\n" ); document.write( "check
\n" ); document.write( "27= 3(2+7)\r
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