document.write( "Question 943523: I am a 3-digit number my ones is 2 less than my hundreds and my tens is 3 more than my ones .the sum of my digits is 20.what number am I? \n" ); document.write( "
Algebra.Com's Answer #575223 by macston(5194)![]() ![]() You can put this solution on YOUR website! H= hundreds digit; O=ones digit=H-2; T=tens digit=O+3=H+1 \n" ); document.write( "H+T+O=20 (sum of digits is 20) \n" ); document.write( "H+(H+1)+(H-2)=20 \n" ); document.write( "3H-1=20 Add 1 to each side \n" ); document.write( "3H=21 Divide each side by 3 \n" ); document.write( "H=7 ANSWER 1 Hundreds digit is 7 \n" ); document.write( "T=H+1=8 ANSWER 2 Tens digit is 8 \n" ); document.write( "O=H-2=5 ANSWER 3 Ones digit is 5 \n" ); document.write( "FINAL ANSWER the number is 785 \n" ); document.write( " |