document.write( "Question 168568This question is from textbook
\n" );
document.write( ": a three-digit number, which is divisible by 10, has a hundreds digit that is ove less than its tens digit. the number also is 52 times the sum of its digits. find the number \n" );
document.write( "
Algebra.Com's Answer #124248 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a three-digit number, which is divisible by 10, has a hundreds digit that is ove less than its tens digit. the number also is 52 times the sum of its digits. find the number \n" ); document.write( "----------------------- \n" ); document.write( "Since it is divisible by 10 let the number be 100a + 10b \n" ); document.write( "a = b - 1 \n" ); document.write( "100a + 10b = 52(a+b) \n" ); document.write( "------------------------- \n" ); document.write( "Use substitution to bolve for \"b\". \n" ); document.write( "100(b-1) + 10b = 52(b-1+b) \n" ); document.write( "100b - 100 + 10b = 104b - 52 \n" ); document.write( "6b = 48 \n" ); document.write( "b = 8 \n" ); document.write( "---------- \n" ); document.write( "solve for \"a\": \n" ); document.write( "a = 8-1 = 7 \n" ); document.write( "------------------ \n" ); document.write( "The number is 100*7 + 8*10 = 780 \n" ); document.write( "====================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |