document.write( "Question 886869: there is a two digit number in which the sum of its digits is 6 while the product of the digits is 1/3 the original number. Find this number \n" ); document.write( "
Algebra.Com's Answer #536289 by lwsshak3(11628) ![]() You can put this solution on YOUR website! there is a two digit number in which the sum of its digits is 6 while the product of the digits is 1/3 the original number. Find this number \n" ); document.write( "*** \n" ); document.write( "let u=units digit \n" ); document.write( "let t=tens digit \n" ); document.write( ".. \n" ); document.write( "u+t=6 \n" ); document.write( "u=6-t \n" ); document.write( "ut=1/3(10t+u) \n" ); document.write( "3 ut=10t+u \n" ); document.write( "3t(6-t)=10t+6-t \n" ); document.write( "18t-3t^2=10t+6-t \n" ); document.write( "3t^2-9t+6=0 \n" ); document.write( "t^2-3t+2=0 \n" ); document.write( "(t-2)(t-1)=0 \n" ); document.write( "t=2 or 1 \n" ); document.write( "u=4 or 5 \n" ); document.write( "original number=24 or 15 \n" ); document.write( " |