document.write( "Question 974554: There is a two-digit number between 20 and 30 such that the sum of the cubes of its digits is equal to three times the number. What is the number? \n" ); document.write( "
Algebra.Com's Answer #596456 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! There is a two-digit number between 20 and 30 such that the sum of the cubes of its digits is equal to three times the number. What is the number? \n" ); document.write( "---------- \n" ); document.write( "The 10s digit has to be 2. \n" ); document.write( "2^3 = 8. The cube of the 1's digit has to be a multiple of 3, plus 1 \n" ); document.write( "--> 24 \n" ); document.write( " |